Home / 90,988.25-125,562.08-50,701.14

Finding the Fourth Proportional to 90,988.25, 125,562.08 and 50,701.14

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Solution

The fourth proportional to 90,988.25, 125,562.08 and 50,701.14 is: 69,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,988.25 : 125,562.08 = 50,701.14 : x
  2. Step 2: Convert to fraction form
    90,988.25/125,562.08 = 50,701.14/x
  3. Step 3: Cross multiply
    90,988.25x = 125,562.08 × 50,701.14
  4. Step 4: Simplify right side
    90,988.25x = 6,366,140,723.52
  5. Step 5: Solve for x
    x = 6,366,140,723.52/90,988.25
  6. Step 6: Final answer
    x = 69,966.63

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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.