Home / 84,561.87-126,851.19-31,267.83

Finding the Fourth Proportional to 84,561.87, 126,851.19 and 31,267.83

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Solution

The fourth proportional to 84,561.87, 126,851.19 and 31,267.83 is: 46,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,561.87 : 126,851.19 = 31,267.83 : x
  2. Step 2: Convert to fraction form
    84,561.87/126,851.19 = 31,267.83/x
  3. Step 3: Cross multiply
    84,561.87x = 126,851.19 × 31,267.83
  4. Step 4: Simplify right side
    84,561.87x = 3,966,361,444.22
  5. Step 5: Solve for x
    x = 3,966,361,444.22/84,561.87
  6. Step 6: Final answer
    x = 46,904.85

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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.