Home / 82,860.52-124,335.32-36,110.56

Finding the Fourth Proportional to 82,860.52, 124,335.32 and 36,110.56

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Solution

The fourth proportional to 82,860.52, 124,335.32 and 36,110.56 is: 54,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.52 : 124,335.32 = 36,110.56 : x
  2. Step 2: Convert to fraction form
    82,860.52/124,335.32 = 36,110.56/x
  3. Step 3: Cross multiply
    82,860.52x = 124,335.32 × 36,110.56
  4. Step 4: Simplify right side
    82,860.52x = 4,489,818,032.98
  5. Step 5: Solve for x
    x = 4,489,818,032.98/82,860.52
  6. Step 6: Final answer
    x = 54,185.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.