Home / 86,838.28-119,834.25-48,077.83

Finding the Fourth Proportional to 86,838.28, 119,834.25 and 48,077.83

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Solution

The fourth proportional to 86,838.28, 119,834.25 and 48,077.83 is: 66,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838.28 : 119,834.25 = 48,077.83 : x
  2. Step 2: Convert to fraction form
    86,838.28/119,834.25 = 48,077.83/x
  3. Step 3: Cross multiply
    86,838.28x = 119,834.25 × 48,077.83
  4. Step 4: Simplify right side
    86,838.28x = 5,761,370,339.99
  5. Step 5: Solve for x
    x = 5,761,370,339.99/86,838.28
  6. Step 6: Final answer
    x = 66,345.98

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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.