Home / 62,402.40-86,116.56-34,109.28

Finding the Fourth Proportional to 62,402.40, 86,116.56 and 34,109.28

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Solution

The fourth proportional to 62,402.40, 86,116.56 and 34,109.28 is: 47,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402.40 : 86,116.56 = 34,109.28 : x
  2. Step 2: Convert to fraction form
    62,402.40/86,116.56 = 34,109.28/x
  3. Step 3: Cross multiply
    62,402.40x = 86,116.56 × 34,109.28
  4. Step 4: Simplify right side
    62,402.40x = 2,937,373,857.68
  5. Step 5: Solve for x
    x = 2,937,373,857.68/62,402.40
  6. Step 6: Final answer
    x = 47,071.49

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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.