Home / 90,570.88-125,002.68-52,845.04

Finding the Fourth Proportional to 90,570.88, 125,002.68 and 52,845.04

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Solution

The fourth proportional to 90,570.88, 125,002.68 and 52,845.04 is: 72,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,570.88 : 125,002.68 = 52,845.04 : x
  2. Step 2: Convert to fraction form
    90,570.88/125,002.68 = 52,845.04/x
  3. Step 3: Cross multiply
    90,570.88x = 125,002.68 × 52,845.04
  4. Step 4: Simplify right side
    90,570.88x = 6,605,771,624.71
  5. Step 5: Solve for x
    x = 6,605,771,624.71/90,570.88
  6. Step 6: Final answer
    x = 72,934.83

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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.