Home / 89,736.88-123,836.35-48,900.92

Finding the Fourth Proportional to 89,736.88, 123,836.35 and 48,900.92

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Solution

The fourth proportional to 89,736.88, 123,836.35 and 48,900.92 is: 67,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.88 : 123,836.35 = 48,900.92 : x
  2. Step 2: Convert to fraction form
    89,736.88/123,836.35 = 48,900.92/x
  3. Step 3: Cross multiply
    89,736.88x = 123,836.35 × 48,900.92
  4. Step 4: Simplify right side
    89,736.88x = 6,055,710,932.23
  5. Step 5: Solve for x
    x = 6,055,710,932.23/89,736.88
  6. Step 6: Final answer
    x = 67,482.97

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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.