Home / 89,711.61-123,797.55-49,424.28

Finding the Fourth Proportional to 89,711.61, 123,797.55 and 49,424.28

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Solution

The fourth proportional to 89,711.61, 123,797.55 and 49,424.28 is: 68,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711.61 : 123,797.55 = 49,424.28 : x
  2. Step 2: Convert to fraction form
    89,711.61/123,797.55 = 49,424.28/x
  3. Step 3: Cross multiply
    89,711.61x = 123,797.55 × 49,424.28
  4. Step 4: Simplify right side
    89,711.61x = 6,118,604,774.51
  5. Step 5: Solve for x
    x = 6,118,604,774.51/89,711.61
  6. Step 6: Final answer
    x = 68,203.04

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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.