Home / 76,394.64-114,704.42-42,726.61

Finding the Fourth Proportional to 76,394.64, 114,704.42 and 42,726.61

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Solution

The fourth proportional to 76,394.64, 114,704.42 and 42,726.61 is: 64,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,394.64 : 114,704.42 = 42,726.61 : x
  2. Step 2: Convert to fraction form
    76,394.64/114,704.42 = 42,726.61/x
  3. Step 3: Cross multiply
    76,394.64x = 114,704.42 × 42,726.61
  4. Step 4: Simplify right side
    76,394.64x = 4,900,931,391.14
  5. Step 5: Solve for x
    x = 4,900,931,391.14/76,394.64
  6. Step 6: Final answer
    x = 64,152.82

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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.