Home / 89,353.45-123,309.21-49,068.91

Finding the Fourth Proportional to 89,353.45, 123,309.21 and 49,068.91

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Solution

The fourth proportional to 89,353.45, 123,309.21 and 49,068.91 is: 67,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,353.45 : 123,309.21 = 49,068.91 : x
  2. Step 2: Convert to fraction form
    89,353.45/123,309.21 = 49,068.91/x
  3. Step 3: Cross multiply
    89,353.45x = 123,309.21 × 49,068.91
  4. Step 4: Simplify right side
    89,353.45x = 6,050,648,527.66
  5. Step 5: Solve for x
    x = 6,050,648,527.66/89,353.45
  6. Step 6: Final answer
    x = 67,715.89

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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.