Home / 99,118.56-148,681.20-35,906.88

Finding the Fourth Proportional to 99,118.56, 148,681.20 and 35,906.88

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Solution

The fourth proportional to 99,118.56, 148,681.20 and 35,906.88 is: 53,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.56 : 148,681.20 = 35,906.88 : x
  2. Step 2: Convert to fraction form
    99,118.56/148,681.20 = 35,906.88/x
  3. Step 3: Cross multiply
    99,118.56x = 148,681.20 × 35,906.88
  4. Step 4: Simplify right side
    99,118.56x = 5,338,678,006.66
  5. Step 5: Solve for x
    x = 5,338,678,006.66/99,118.56
  6. Step 6: Final answer
    x = 53,861.54

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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.