Home / 99,845.65-137,792.60-54,527.83

Finding the Fourth Proportional to 99,845.65, 137,792.60 and 54,527.83

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Solution

The fourth proportional to 99,845.65, 137,792.60 and 54,527.83 is: 75,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845.65 : 137,792.60 = 54,527.83 : x
  2. Step 2: Convert to fraction form
    99,845.65/137,792.60 = 54,527.83/x
  3. Step 3: Cross multiply
    99,845.65x = 137,792.60 × 54,527.83
  4. Step 4: Simplify right side
    99,845.65x = 7,513,531,468.06
  5. Step 5: Solve for x
    x = 7,513,531,468.06/99,845.65
  6. Step 6: Final answer
    x = 75,251.47

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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.