Home / 91,766.84-137,637.30-29,429.24

Finding the Fourth Proportional to 91,766.84, 137,637.30 and 29,429.24

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Solution

The fourth proportional to 91,766.84, 137,637.30 and 29,429.24 is: 44,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,766.84 : 137,637.30 = 29,429.24 : x
  2. Step 2: Convert to fraction form
    91,766.84/137,637.30 = 29,429.24/x
  3. Step 3: Cross multiply
    91,766.84x = 137,637.30 × 29,429.24
  4. Step 4: Simplify right side
    91,766.84x = 4,050,561,134.65
  5. Step 5: Solve for x
    x = 4,050,561,134.65/91,766.84
  6. Step 6: Final answer
    x = 44,139.70

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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.