Home / 100,545.84-138,757.50-60,252.03

Finding the Fourth Proportional to 100,545.84, 138,757.50 and 60,252.03

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Solution

The fourth proportional to 100,545.84, 138,757.50 and 60,252.03 is: 83,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,545.84 : 138,757.50 = 60,252.03 : x
  2. Step 2: Convert to fraction form
    100,545.84/138,757.50 = 60,252.03/x
  3. Step 3: Cross multiply
    100,545.84x = 138,757.50 × 60,252.03
  4. Step 4: Simplify right side
    100,545.84x = 8,360,421,052.73
  5. Step 5: Solve for x
    x = 8,360,421,052.73/100,545.84
  6. Step 6: Final answer
    x = 83,150.34

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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.