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Finding the Fourth Proportional to 92,752.74, 139,101.75 and 39,444.62

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Solution

The fourth proportional to 92,752.74, 139,101.75 and 39,444.62 is: 59,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,752.74 : 139,101.75 = 39,444.62 : x
  2. Step 2: Convert to fraction form
    92,752.74/139,101.75 = 39,444.62/x
  3. Step 3: Cross multiply
    92,752.74x = 139,101.75 × 39,444.62
  4. Step 4: Simplify right side
    92,752.74x = 5,486,814,974.58
  5. Step 5: Solve for x
    x = 5,486,814,974.58/92,752.74
  6. Step 6: Final answer
    x = 59,155.29

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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.