Home / 99,705.66-149,526.13-33,127.92

Finding the Fourth Proportional to 99,705.66, 149,526.13 and 33,127.92

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Solution

The fourth proportional to 99,705.66, 149,526.13 and 33,127.92 is: 49,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,705.66 : 149,526.13 = 33,127.92 : x
  2. Step 2: Convert to fraction form
    99,705.66/149,526.13 = 33,127.92/x
  3. Step 3: Cross multiply
    99,705.66x = 149,526.13 × 33,127.92
  4. Step 4: Simplify right side
    99,705.66x = 4,953,489,672.55
  5. Step 5: Solve for x
    x = 4,953,489,672.55/99,705.66
  6. Step 6: Final answer
    x = 49,681.13

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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.