Home / 86,387.13-119,214.44-48,661.38

Finding the Fourth Proportional to 86,387.13, 119,214.44 and 48,661.38

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Solution

The fourth proportional to 86,387.13, 119,214.44 and 48,661.38 is: 67,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.13 : 119,214.44 = 48,661.38 : x
  2. Step 2: Convert to fraction form
    86,387.13/119,214.44 = 48,661.38/x
  3. Step 3: Cross multiply
    86,387.13x = 119,214.44 × 48,661.38
  4. Step 4: Simplify right side
    86,387.13x = 5,801,139,166.33
  5. Step 5: Solve for x
    x = 5,801,139,166.33/86,387.13
  6. Step 6: Final answer
    x = 67,152.82

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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.