Home / 74,773.11-112,180.85-30,431.69

Finding the Fourth Proportional to 74,773.11, 112,180.85 and 30,431.69

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Solution

The fourth proportional to 74,773.11, 112,180.85 and 30,431.69 is: 45,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.11 : 112,180.85 = 30,431.69 : x
  2. Step 2: Convert to fraction form
    74,773.11/112,180.85 = 30,431.69/x
  3. Step 3: Cross multiply
    74,773.11x = 112,180.85 × 30,431.69
  4. Step 4: Simplify right side
    74,773.11x = 3,413,852,844.05
  5. Step 5: Solve for x
    x = 3,413,852,844.05/74,773.11
  6. Step 6: Final answer
    x = 45,656.15

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1.5x scale

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.