Home / 115,805.28-173,681.77-58,821.47

Finding the Fourth Proportional to 115,805.28, 173,681.77 and 58,821.47

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Solution

The fourth proportional to 115,805.28, 173,681.77 and 58,821.47 is: 88,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,805.28 : 173,681.77 = 58,821.47 : x
  2. Step 2: Convert to fraction form
    115,805.28/173,681.77 = 58,821.47/x
  3. Step 3: Cross multiply
    115,805.28x = 173,681.77 × 58,821.47
  4. Step 4: Simplify right side
    115,805.28x = 10,216,217,023.60
  5. Step 5: Solve for x
    x = 10,216,217,023.60/115,805.28
  6. Step 6: Final answer
    x = 88,218.92

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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.