Home / 90,454.46-124,841.52-54,649.62

Finding the Fourth Proportional to 90,454.46, 124,841.52 and 54,649.62

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Solution

The fourth proportional to 90,454.46, 124,841.52 and 54,649.62 is: 75,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,454.46 : 124,841.52 = 54,649.62 : x
  2. Step 2: Convert to fraction form
    90,454.46/124,841.52 = 54,649.62/x
  3. Step 3: Cross multiply
    90,454.46x = 124,841.52 × 54,649.62
  4. Step 4: Simplify right side
    90,454.46x = 6,822,541,628.22
  5. Step 5: Solve for x
    x = 6,822,541,628.22/90,454.46
  6. Step 6: Final answer
    x = 75,425.16

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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.