Home / 77,391.74-116,013.55-49,224.53

Finding the Fourth Proportional to 77,391.74, 116,013.55 and 49,224.53

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Solution

The fourth proportional to 77,391.74, 116,013.55 and 49,224.53 is: 73,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391.74 : 116,013.55 = 49,224.53 : x
  2. Step 2: Convert to fraction form
    77,391.74/116,013.55 = 49,224.53/x
  3. Step 3: Cross multiply
    77,391.74x = 116,013.55 × 49,224.53
  4. Step 4: Simplify right side
    77,391.74x = 5,710,712,472.38
  5. Step 5: Solve for x
    x = 5,710,712,472.38/77,391.74
  6. Step 6: Final answer
    x = 73,789.69

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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.