Home / 89,505.80-123,521.18-49,222.63

Finding the Fourth Proportional to 89,505.80, 123,521.18 and 49,222.63

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Solution

The fourth proportional to 89,505.80, 123,521.18 and 49,222.63 is: 67,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.80 : 123,521.18 = 49,222.63 : x
  2. Step 2: Convert to fraction form
    89,505.80/123,521.18 = 49,222.63/x
  3. Step 3: Cross multiply
    89,505.80x = 123,521.18 × 49,222.63
  4. Step 4: Simplify right side
    89,505.80x = 6,080,036,908.44
  5. Step 5: Solve for x
    x = 6,080,036,908.44/89,505.80
  6. Step 6: Final answer
    x = 67,928.97

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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.