Home / 89,450.16-123,444.20-49,165.36

Finding the Fourth Proportional to 89,450.16, 123,444.20 and 49,165.36

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Solution

The fourth proportional to 89,450.16, 123,444.20 and 49,165.36 is: 67,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,450.16 : 123,444.20 = 49,165.36 : x
  2. Step 2: Convert to fraction form
    89,450.16/123,444.20 = 49,165.36/x
  3. Step 3: Cross multiply
    89,450.16x = 123,444.20 × 49,165.36
  4. Step 4: Simplify right side
    89,450.16x = 6,069,178,532.91
  5. Step 5: Solve for x
    x = 6,069,178,532.91/89,450.16
  6. Step 6: Final answer
    x = 67,849.83

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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.