Home / 90,570.86-125,002.68-52,845.02

Finding the Fourth Proportional to 90,570.86, 125,002.68 and 52,845.02

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Solution

The fourth proportional to 90,570.86, 125,002.68 and 52,845.02 is: 72,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,570.86 : 125,002.68 = 52,845.02 : x
  2. Step 2: Convert to fraction form
    90,570.86/125,002.68 = 52,845.02/x
  3. Step 3: Cross multiply
    90,570.86x = 125,002.68 × 52,845.02
  4. Step 4: Simplify right side
    90,570.86x = 6,605,769,124.65
  5. Step 5: Solve for x
    x = 6,605,769,124.65/90,570.86
  6. Step 6: Final answer
    x = 72,934.82

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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.