Home / 90,106.66-124,319.88-62,882.02

Finding the Fourth Proportional to 90,106.66, 124,319.88 and 62,882.02

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Solution

The fourth proportional to 90,106.66, 124,319.88 and 62,882.02 is: 86,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,106.66 : 124,319.88 = 62,882.02 : x
  2. Step 2: Convert to fraction form
    90,106.66/124,319.88 = 62,882.02/x
  3. Step 3: Cross multiply
    90,106.66x = 124,319.88 × 62,882.02
  4. Step 4: Simplify right side
    90,106.66x = 7,817,485,180.56
  5. Step 5: Solve for x
    x = 7,817,485,180.56/90,106.66
  6. Step 6: Final answer
    x = 86,758.13

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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.