Home / 84,185.02-126,283.02-31,595.86

Finding the Fourth Proportional to 84,185.02, 126,283.02 and 31,595.86

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Solution

The fourth proportional to 84,185.02, 126,283.02 and 31,595.86 is: 47,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.02 : 126,283.02 = 31,595.86 : x
  2. Step 2: Convert to fraction form
    84,185.02/126,283.02 = 31,595.86/x
  3. Step 3: Cross multiply
    84,185.02x = 126,283.02 × 31,595.86
  4. Step 4: Simplify right side
    84,185.02x = 3,990,020,620.30
  5. Step 5: Solve for x
    x = 3,990,020,620.30/84,185.02
  6. Step 6: Final answer
    x = 47,395.85

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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.