Home / 89,045.32-122,882.74-48,209.88

Finding the Fourth Proportional to 89,045.32, 122,882.74 and 48,209.88

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Solution

The fourth proportional to 89,045.32, 122,882.74 and 48,209.88 is: 66,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.32 : 122,882.74 = 48,209.88 : x
  2. Step 2: Convert to fraction form
    89,045.32/122,882.74 = 48,209.88/x
  3. Step 3: Cross multiply
    89,045.32x = 122,882.74 × 48,209.88
  4. Step 4: Simplify right side
    89,045.32x = 5,924,162,149.47
  5. Step 5: Solve for x
    x = 5,924,162,149.47/89,045.32
  6. Step 6: Final answer
    x = 66,529.74

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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.