Home / 89,708.24-123,798.12-49,423.28

Finding the Fourth Proportional to 89,708.24, 123,798.12 and 49,423.28

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Solution

The fourth proportional to 89,708.24, 123,798.12 and 49,423.28 is: 68,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,708.24 : 123,798.12 = 49,423.28 : x
  2. Step 2: Convert to fraction form
    89,708.24/123,798.12 = 49,423.28/x
  3. Step 3: Cross multiply
    89,708.24x = 123,798.12 × 49,423.28
  4. Step 4: Simplify right side
    89,708.24x = 6,118,509,148.23
  5. Step 5: Solve for x
    x = 6,118,509,148.23/89,708.24
  6. Step 6: Final answer
    x = 68,204.54

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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.