Home / 70,229.48-96,916.02-38,398.04

Finding the Fourth Proportional to 70,229.48, 96,916.02 and 38,398.04

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Solution

The fourth proportional to 70,229.48, 96,916.02 and 38,398.04 is: 52,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,229.48 : 96,916.02 = 38,398.04 : x
  2. Step 2: Convert to fraction form
    70,229.48/96,916.02 = 38,398.04/x
  3. Step 3: Cross multiply
    70,229.48x = 96,916.02 × 38,398.04
  4. Step 4: Simplify right side
    70,229.48x = 3,721,385,212.60
  5. Step 5: Solve for x
    x = 3,721,385,212.60/70,229.48
  6. Step 6: Final answer
    x = 52,988.93

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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.