Home / 99,010.68-136,626.30-56,560.92

Finding the Fourth Proportional to 99,010.68, 136,626.30 and 56,560.92

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Solution

The fourth proportional to 99,010.68, 136,626.30 and 56,560.92 is: 78,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.68 : 136,626.30 = 56,560.92 : x
  2. Step 2: Convert to fraction form
    99,010.68/136,626.30 = 56,560.92/x
  3. Step 3: Cross multiply
    99,010.68x = 136,626.30 × 56,560.92
  4. Step 4: Simplify right side
    99,010.68x = 7,727,709,224.20
  5. Step 5: Solve for x
    x = 7,727,709,224.20/99,010.68
  6. Step 6: Final answer
    x = 78,049.25

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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.