Home / 91,635.12-137,423.52-29,291.04

Finding the Fourth Proportional to 91,635.12, 137,423.52 and 29,291.04

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Solution

The fourth proportional to 91,635.12, 137,423.52 and 29,291.04 is: 43,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,635.12 : 137,423.52 = 29,291.04 : x
  2. Step 2: Convert to fraction form
    91,635.12/137,423.52 = 29,291.04/x
  3. Step 3: Cross multiply
    91,635.12x = 137,423.52 × 29,291.04
  4. Step 4: Simplify right side
    91,635.12x = 4,025,277,821.26
  5. Step 5: Solve for x
    x = 4,025,277,821.26/91,635.12
  6. Step 6: Final answer
    x = 43,927.24

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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.