Home / 99,686.22-149,503.78-29,549.13

Finding the Fourth Proportional to 99,686.22, 149,503.78 and 29,549.13

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Solution

The fourth proportional to 99,686.22, 149,503.78 and 29,549.13 is: 44,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.22 : 149,503.78 = 29,549.13 : x
  2. Step 2: Convert to fraction form
    99,686.22/149,503.78 = 29,549.13/x
  3. Step 3: Cross multiply
    99,686.22x = 149,503.78 × 29,549.13
  4. Step 4: Simplify right side
    99,686.22x = 4,417,706,630.71
  5. Step 5: Solve for x
    x = 4,417,706,630.71/99,686.22
  6. Step 6: Final answer
    x = 44,316.12

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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.