Home / 84,840.51-117,085.32-47,114.76

Finding the Fourth Proportional to 84,840.51, 117,085.32 and 47,114.76

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Solution

The fourth proportional to 84,840.51, 117,085.32 and 47,114.76 is: 65,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.51 : 117,085.32 = 47,114.76 : x
  2. Step 2: Convert to fraction form
    84,840.51/117,085.32 = 47,114.76/x
  3. Step 3: Cross multiply
    84,840.51x = 117,085.32 × 47,114.76
  4. Step 4: Simplify right side
    84,840.51x = 5,516,446,751.32
  5. Step 5: Solve for x
    x = 5,516,446,751.32/84,840.51
  6. Step 6: Final answer
    x = 65,021.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.