Home / 86,617.86-119,532.13-48,376.95

Finding the Fourth Proportional to 86,617.86, 119,532.13 and 48,376.95

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Solution

The fourth proportional to 86,617.86, 119,532.13 and 48,376.95 is: 66,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,617.86 : 119,532.13 = 48,376.95 : x
  2. Step 2: Convert to fraction form
    86,617.86/119,532.13 = 48,376.95/x
  3. Step 3: Cross multiply
    86,617.86x = 119,532.13 × 48,376.95
  4. Step 4: Simplify right side
    86,617.86x = 5,782,599,876.40
  5. Step 5: Solve for x
    x = 5,782,599,876.40/86,617.86
  6. Step 6: Final answer
    x = 66,759.90

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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.