Home / 69,589.45-96,036.60-42,726.61

Finding the Fourth Proportional to 69,589.45, 96,036.60 and 42,726.61

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Solution

The fourth proportional to 69,589.45, 96,036.60 and 42,726.61 is: 58,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,589.45 : 96,036.60 = 42,726.61 : x
  2. Step 2: Convert to fraction form
    69,589.45/96,036.60 = 42,726.61/x
  3. Step 3: Cross multiply
    69,589.45x = 96,036.60 × 42,726.61
  4. Step 4: Simplify right side
    69,589.45x = 4,103,318,353.93
  5. Step 5: Solve for x
    x = 4,103,318,353.93/69,589.45
  6. Step 6: Final answer
    x = 58,964.66

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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.