Home / 74,125.26-102,285.18-42,288

Finding the Fourth Proportional to 74,125.26, 102,285.18 and 42,288

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Solution

The fourth proportional to 74,125.26, 102,285.18 and 42,288 is: 58,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.26 : 102,285.18 = 42,288 : x
  2. Step 2: Convert to fraction form
    74,125.26/102,285.18 = 42,288/x
  3. Step 3: Cross multiply
    74,125.26x = 102,285.18 × 42,288
  4. Step 4: Simplify right side
    74,125.26x = 4,325,435,691.84
  5. Step 5: Solve for x
    x = 4,325,435,691.84/74,125.26
  6. Step 6: Final answer
    x = 58,353.06

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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.