Home / 66,685.48-92,049.14-38,402.44

Finding the Fourth Proportional to 66,685.48, 92,049.14 and 38,402.44

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Solution

The fourth proportional to 66,685.48, 92,049.14 and 38,402.44 is: 53,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.48 : 92,049.14 = 38,402.44 : x
  2. Step 2: Convert to fraction form
    66,685.48/92,049.14 = 38,402.44/x
  3. Step 3: Cross multiply
    66,685.48x = 92,049.14 × 38,402.44
  4. Step 4: Simplify right side
    66,685.48x = 3,534,911,575.90
  5. Step 5: Solve for x
    x = 3,534,911,575.90/66,685.48
  6. Step 6: Final answer
    x = 53,008.71

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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.