Home / 67,579.92-101,118.78-42,502.86

Finding the Fourth Proportional to 67,579.92, 101,118.78 and 42,502.86

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Solution

The fourth proportional to 67,579.92, 101,118.78 and 42,502.86 is: 63,596.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,579.92 : 101,118.78 = 42,502.86 : x
  2. Step 2: Convert to fraction form
    67,579.92/101,118.78 = 42,502.86/x
  3. Step 3: Cross multiply
    67,579.92x = 101,118.78 × 42,502.86
  4. Step 4: Simplify right side
    67,579.92x = 4,297,837,349.71
  5. Step 5: Solve for x
    x = 4,297,837,349.71/67,579.92
  6. Step 6: Final answer
    x = 63,596.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.