Home / 74,325.12-102,565.08-42,497.52

Finding the Fourth Proportional to 74,325.12, 102,565.08 and 42,497.52

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Solution

The fourth proportional to 74,325.12, 102,565.08 and 42,497.52 is: 58,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.12 : 102,565.08 = 42,497.52 : x
  2. Step 2: Convert to fraction form
    74,325.12/102,565.08 = 42,497.52/x
  3. Step 3: Cross multiply
    74,325.12x = 102,565.08 × 42,497.52
  4. Step 4: Simplify right side
    74,325.12x = 4,358,761,538.60
  5. Step 5: Solve for x
    x = 4,358,761,538.60/74,325.12
  6. Step 6: Final answer
    x = 58,644.53

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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.