Home / 90,460.90-124,892.67-58,251.55

Finding the Fourth Proportional to 90,460.90, 124,892.67 and 58,251.55

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Solution

The fourth proportional to 90,460.90, 124,892.67 and 58,251.55 is: 80,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,460.90 : 124,892.67 = 58,251.55 : x
  2. Step 2: Convert to fraction form
    90,460.90/124,892.67 = 58,251.55/x
  3. Step 3: Cross multiply
    90,460.90x = 124,892.67 × 58,251.55
  4. Step 4: Simplify right side
    90,460.90x = 7,275,191,319.88
  5. Step 5: Solve for x
    x = 7,275,191,319.88/90,460.90
  6. Step 6: Final answer
    x = 80,423.61

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1.5x scale

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.