Home / 48,701.76-72,941.92-38,105.74

Finding the Fourth Proportional to 48,701.76, 72,941.92 and 38,105.74

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Solution

The fourth proportional to 48,701.76, 72,941.92 and 38,105.74 is: 57,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,701.76 : 72,941.92 = 38,105.74 : x
  2. Step 2: Convert to fraction form
    48,701.76/72,941.92 = 38,105.74/x
  3. Step 3: Cross multiply
    48,701.76x = 72,941.92 × 38,105.74
  4. Step 4: Simplify right side
    48,701.76x = 2,779,505,834.53
  5. Step 5: Solve for x
    x = 2,779,505,834.53/48,701.76
  6. Step 6: Final answer
    x = 57,071.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.