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Finding the Fourth Proportional to 92,966.59, 139,459.80 and 29,764.11

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Solution

The fourth proportional to 92,966.59, 139,459.80 and 29,764.11 is: 44,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,966.59 : 139,459.80 = 29,764.11 : x
  2. Step 2: Convert to fraction form
    92,966.59/139,459.80 = 29,764.11/x
  3. Step 3: Cross multiply
    92,966.59x = 139,459.80 × 29,764.11
  4. Step 4: Simplify right side
    92,966.59x = 4,150,896,678.96
  5. Step 5: Solve for x
    x = 4,150,896,678.96/92,966.59
  6. Step 6: Final answer
    x = 44,649.34

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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.