Home / 71,582.03-98,787.77-39,750.92

Finding the Fourth Proportional to 71,582.03, 98,787.77 and 39,750.92

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Solution

The fourth proportional to 71,582.03, 98,787.77 and 39,750.92 is: 54,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,582.03 : 98,787.77 = 39,750.92 : x
  2. Step 2: Convert to fraction form
    71,582.03/98,787.77 = 39,750.92/x
  3. Step 3: Cross multiply
    71,582.03x = 98,787.77 × 39,750.92
  4. Step 4: Simplify right side
    71,582.03x = 3,926,904,790.46
  5. Step 5: Solve for x
    x = 3,926,904,790.46/71,582.03
  6. Step 6: Final answer
    x = 54,858.81

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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.