Home / 92,475.20-138,617.76-39,840.32

Finding the Fourth Proportional to 92,475.20, 138,617.76 and 39,840.32

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Solution

The fourth proportional to 92,475.20, 138,617.76 and 39,840.32 is: 59,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,475.20 : 138,617.76 = 39,840.32 : x
  2. Step 2: Convert to fraction form
    92,475.20/138,617.76 = 39,840.32/x
  3. Step 3: Cross multiply
    92,475.20x = 138,617.76 × 39,840.32
  4. Step 4: Simplify right side
    92,475.20x = 5,522,575,916.08
  5. Step 5: Solve for x
    x = 5,522,575,916.08/92,475.20
  6. Step 6: Final answer
    x = 59,719.53

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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.