Home / 62,318.22-85,909.83-38,428.86

Finding the Fourth Proportional to 62,318.22, 85,909.83 and 38,428.86

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Solution

The fourth proportional to 62,318.22, 85,909.83 and 38,428.86 is: 52,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,318.22 : 85,909.83 = 38,428.86 : x
  2. Step 2: Convert to fraction form
    62,318.22/85,909.83 = 38,428.86/x
  3. Step 3: Cross multiply
    62,318.22x = 85,909.83 × 38,428.86
  4. Step 4: Simplify right side
    62,318.22x = 3,301,416,829.69
  5. Step 5: Solve for x
    x = 3,301,416,829.69/62,318.22
  6. Step 6: Final answer
    x = 52,976.75

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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.