Home / 91,058.76-125,669.38-55,257.88

Finding the Fourth Proportional to 91,058.76, 125,669.38 and 55,257.88

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Solution

The fourth proportional to 91,058.76, 125,669.38 and 55,257.88 is: 76,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,058.76 : 125,669.38 = 55,257.88 : x
  2. Step 2: Convert to fraction form
    91,058.76/125,669.38 = 55,257.88/x
  3. Step 3: Cross multiply
    91,058.76x = 125,669.38 × 55,257.88
  4. Step 4: Simplify right side
    91,058.76x = 6,944,223,519.71
  5. Step 5: Solve for x
    x = 6,944,223,519.71/91,058.76
  6. Step 6: Final answer
    x = 76,260.91

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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.