Home / 68,114.48-93,997.08-38,306.48

Finding the Fourth Proportional to 68,114.48, 93,997.08 and 38,306.48

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Solution

The fourth proportional to 68,114.48, 93,997.08 and 38,306.48 is: 52,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,114.48 : 93,997.08 = 38,306.48 : x
  2. Step 2: Convert to fraction form
    68,114.48/93,997.08 = 38,306.48/x
  3. Step 3: Cross multiply
    68,114.48x = 93,997.08 × 38,306.48
  4. Step 4: Simplify right side
    68,114.48x = 3,600,697,265.08
  5. Step 5: Solve for x
    x = 3,600,697,265.08/68,114.48
  6. Step 6: Final answer
    x = 52,862.43

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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.