Home / 53,417.13-80,153.54-38,747.13

Finding the Fourth Proportional to 53,417.13, 80,153.54 and 38,747.13

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Solution

The fourth proportional to 53,417.13, 80,153.54 and 38,747.13 is: 58,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.13 : 80,153.54 = 38,747.13 : x
  2. Step 2: Convert to fraction form
    53,417.13/80,153.54 = 38,747.13/x
  3. Step 3: Cross multiply
    53,417.13x = 80,153.54 × 38,747.13
  4. Step 4: Simplify right side
    53,417.13x = 3,105,719,440.60
  5. Step 5: Solve for x
    x = 3,105,719,440.60/53,417.13
  6. Step 6: Final answer
    x = 58,140.89

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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.