Home / 74,683.44-103,062.72-40,691.85

Finding the Fourth Proportional to 74,683.44, 103,062.72 and 40,691.85

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Solution

The fourth proportional to 74,683.44, 103,062.72 and 40,691.85 is: 56,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683.44 : 103,062.72 = 40,691.85 : x
  2. Step 2: Convert to fraction form
    74,683.44/103,062.72 = 40,691.85/x
  3. Step 3: Cross multiply
    74,683.44x = 103,062.72 × 40,691.85
  4. Step 4: Simplify right side
    74,683.44x = 4,193,812,742.83
  5. Step 5: Solve for x
    x = 4,193,812,742.83/74,683.44
  6. Step 6: Final answer
    x = 56,154.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.