Home / 89,157.44-123,036.80-48,872.88

Finding the Fourth Proportional to 89,157.44, 123,036.80 and 48,872.88

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Solution

The fourth proportional to 89,157.44, 123,036.80 and 48,872.88 is: 67,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,157.44 : 123,036.80 = 48,872.88 : x
  2. Step 2: Convert to fraction form
    89,157.44/123,036.80 = 48,872.88/x
  3. Step 3: Cross multiply
    89,157.44x = 123,036.80 × 48,872.88
  4. Step 4: Simplify right side
    89,157.44x = 6,013,162,761.98
  5. Step 5: Solve for x
    x = 6,013,162,761.98/89,157.44
  6. Step 6: Final answer
    x = 67,444.32

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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.