Home / 54,478.53-75,203.28-51,073.65

Finding the Fourth Proportional to 54,478.53, 75,203.28 and 51,073.65

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Solution

The fourth proportional to 54,478.53, 75,203.28 and 51,073.65 is: 70,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.53 : 75,203.28 = 51,073.65 : x
  2. Step 2: Convert to fraction form
    54,478.53/75,203.28 = 51,073.65/x
  3. Step 3: Cross multiply
    54,478.53x = 75,203.28 × 51,073.65
  4. Step 4: Simplify right side
    54,478.53x = 3,840,906,001.57
  5. Step 5: Solve for x
    x = 3,840,906,001.57/54,478.53
  6. Step 6: Final answer
    x = 70,503.11

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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.