Home / 88,379.29-121,963.39-48,635.29

Finding the Fourth Proportional to 88,379.29, 121,963.39 and 48,635.29

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Solution

The fourth proportional to 88,379.29, 121,963.39 and 48,635.29 is: 67,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,379.29 : 121,963.39 = 48,635.29 : x
  2. Step 2: Convert to fraction form
    88,379.29/121,963.39 = 48,635.29/x
  3. Step 3: Cross multiply
    88,379.29x = 121,963.39 × 48,635.29
  4. Step 4: Simplify right side
    88,379.29x = 5,931,724,598.86
  5. Step 5: Solve for x
    x = 5,931,724,598.86/88,379.29
  6. Step 6: Final answer
    x = 67,116.68

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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.