Home / 91,154.71-136,754.12-34,229.13

Finding the Fourth Proportional to 91,154.71, 136,754.12 and 34,229.13

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Solution

The fourth proportional to 91,154.71, 136,754.12 and 34,229.13 is: 51,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,154.71 : 136,754.12 = 34,229.13 : x
  2. Step 2: Convert to fraction form
    91,154.71/136,754.12 = 34,229.13/x
  3. Step 3: Cross multiply
    91,154.71x = 136,754.12 × 34,229.13
  4. Step 4: Simplify right side
    91,154.71x = 4,680,974,551.52
  5. Step 5: Solve for x
    x = 4,680,974,551.52/91,154.71
  6. Step 6: Final answer
    x = 51,351.98

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1.5x scale

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.