Home / 99,172.77-148,781.61-32,613.48

Finding the Fourth Proportional to 99,172.77, 148,781.61 and 32,613.48

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Solution

The fourth proportional to 99,172.77, 148,781.61 and 32,613.48 is: 48,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172.77 : 148,781.61 = 32,613.48 : x
  2. Step 2: Convert to fraction form
    99,172.77/148,781.61 = 32,613.48/x
  3. Step 3: Cross multiply
    99,172.77x = 148,781.61 × 32,613.48
  4. Step 4: Simplify right side
    99,172.77x = 4,852,286,062.10
  5. Step 5: Solve for x
    x = 4,852,286,062.10/99,172.77
  6. Step 6: Final answer
    x = 48,927.60

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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.