Home / 54,193.53-74,812.65-40,769.91

Finding the Fourth Proportional to 54,193.53, 74,812.65 and 40,769.91

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Solution

The fourth proportional to 54,193.53, 74,812.65 and 40,769.91 is: 56,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.53 : 74,812.65 = 40,769.91 : x
  2. Step 2: Convert to fraction form
    54,193.53/74,812.65 = 40,769.91/x
  3. Step 3: Cross multiply
    54,193.53x = 74,812.65 × 40,769.91
  4. Step 4: Simplify right side
    54,193.53x = 3,050,104,854.47
  5. Step 5: Solve for x
    x = 3,050,104,854.47/54,193.53
  6. Step 6: Final answer
    x = 56,281.71

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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.