Home / 70,680.40-97,537.29-38,414.26

Finding the Fourth Proportional to 70,680.40, 97,537.29 and 38,414.26

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Solution

The fourth proportional to 70,680.40, 97,537.29 and 38,414.26 is: 53,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.40 : 97,537.29 = 38,414.26 : x
  2. Step 2: Convert to fraction form
    70,680.40/97,537.29 = 38,414.26/x
  3. Step 3: Cross multiply
    70,680.40x = 97,537.29 × 38,414.26
  4. Step 4: Simplify right side
    70,680.40x = 3,746,822,817.76
  5. Step 5: Solve for x
    x = 3,746,822,817.76/70,680.40
  6. Step 6: Final answer
    x = 53,010.78

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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.