Home / 92,985.64-139,410.11-29,769.19

Finding the Fourth Proportional to 92,985.64, 139,410.11 and 29,769.19

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Solution

The fourth proportional to 92,985.64, 139,410.11 and 29,769.19 is: 44,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,985.64 : 139,410.11 = 29,769.19 : x
  2. Step 2: Convert to fraction form
    92,985.64/139,410.11 = 29,769.19/x
  3. Step 3: Cross multiply
    92,985.64x = 139,410.11 × 29,769.19
  4. Step 4: Simplify right side
    92,985.64x = 4,150,125,778.41
  5. Step 5: Solve for x
    x = 4,150,125,778.41/92,985.64
  6. Step 6: Final answer
    x = 44,631.90

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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.