Home / 89,864.68-124,014.30-49,579.91

Finding the Fourth Proportional to 89,864.68, 124,014.30 and 49,579.91

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Solution

The fourth proportional to 89,864.68, 124,014.30 and 49,579.91 is: 68,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.68 : 124,014.30 = 49,579.91 : x
  2. Step 2: Convert to fraction form
    89,864.68/124,014.30 = 49,579.91/x
  3. Step 3: Cross multiply
    89,864.68x = 124,014.30 × 49,579.91
  4. Step 4: Simplify right side
    89,864.68x = 6,148,617,832.71
  5. Step 5: Solve for x
    x = 6,148,617,832.71/89,864.68
  6. Step 6: Final answer
    x = 68,420.85

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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.