Home / 107,122.72-147,838.20-59,391.04

Finding the Fourth Proportional to 107,122.72, 147,838.20 and 59,391.04

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Solution

The fourth proportional to 107,122.72, 147,838.20 and 59,391.04 is: 81,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,122.72 : 147,838.20 = 59,391.04 : x
  2. Step 2: Convert to fraction form
    107,122.72/147,838.20 = 59,391.04/x
  3. Step 3: Cross multiply
    107,122.72x = 147,838.20 × 59,391.04
  4. Step 4: Simplify right side
    107,122.72x = 8,780,264,449.73
  5. Step 5: Solve for x
    x = 8,780,264,449.73/107,122.72
  6. Step 6: Final answer
    x = 81,964.54

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1.5x scale

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.