Home / 57,159.29-78,918.33-35,681.73

Finding the Fourth Proportional to 57,159.29, 78,918.33 and 35,681.73

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Solution

The fourth proportional to 57,159.29, 78,918.33 and 35,681.73 is: 49,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,159.29 : 78,918.33 = 35,681.73 : x
  2. Step 2: Convert to fraction form
    57,159.29/78,918.33 = 35,681.73/x
  3. Step 3: Cross multiply
    57,159.29x = 78,918.33 × 35,681.73
  4. Step 4: Simplify right side
    57,159.29x = 2,815,942,543.11
  5. Step 5: Solve for x
    x = 2,815,942,543.11/57,159.29
  6. Step 6: Final answer
    x = 49,264.83

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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.