Home / 84,889.98-117,146.07-47,164.32

Finding the Fourth Proportional to 84,889.98, 117,146.07 and 47,164.32

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Solution

The fourth proportional to 84,889.98, 117,146.07 and 47,164.32 is: 65,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889.98 : 117,146.07 = 47,164.32 : x
  2. Step 2: Convert to fraction form
    84,889.98/117,146.07 = 47,164.32/x
  3. Step 3: Cross multiply
    84,889.98x = 117,146.07 × 47,164.32
  4. Step 4: Simplify right side
    84,889.98x = 5,525,114,732.22
  5. Step 5: Solve for x
    x = 5,525,114,732.22/84,889.98
  6. Step 6: Final answer
    x = 65,085.59

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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.