Home / 84,837.51-117,081.18-47,111.76

Finding the Fourth Proportional to 84,837.51, 117,081.18 and 47,111.76

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Solution

The fourth proportional to 84,837.51, 117,081.18 and 47,111.76 is: 65,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.51 : 117,081.18 = 47,111.76 : x
  2. Step 2: Convert to fraction form
    84,837.51/117,081.18 = 47,111.76/x
  3. Step 3: Cross multiply
    84,837.51x = 117,081.18 × 47,111.76
  4. Step 4: Simplify right side
    84,837.51x = 5,515,900,452.68
  5. Step 5: Solve for x
    x = 5,515,900,452.68/84,837.51
  6. Step 6: Final answer
    x = 65,017.24

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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.