Home / 86,127.80-118,855.82-48,402.05

Finding the Fourth Proportional to 86,127.80, 118,855.82 and 48,402.05

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Solution

The fourth proportional to 86,127.80, 118,855.82 and 48,402.05 is: 66,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.80 : 118,855.82 = 48,402.05 : x
  2. Step 2: Convert to fraction form
    86,127.80/118,855.82 = 48,402.05/x
  3. Step 3: Cross multiply
    86,127.80x = 118,855.82 × 48,402.05
  4. Step 4: Simplify right side
    86,127.80x = 5,752,864,869.16
  5. Step 5: Solve for x
    x = 5,752,864,869.16/86,127.80
  6. Step 6: Final answer
    x = 66,794.52

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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.