Home / 81,537.35-122,306.03-52,012.85

Finding the Fourth Proportional to 81,537.35, 122,306.03 and 52,012.85

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Solution

The fourth proportional to 81,537.35, 122,306.03 and 52,012.85 is: 78,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.35 : 122,306.03 = 52,012.85 : x
  2. Step 2: Convert to fraction form
    81,537.35/122,306.03 = 52,012.85/x
  3. Step 3: Cross multiply
    81,537.35x = 122,306.03 × 52,012.85
  4. Step 4: Simplify right side
    81,537.35x = 6,361,484,932.42
  5. Step 5: Solve for x
    x = 6,361,484,932.42/81,537.35
  6. Step 6: Final answer
    x = 78,019.28

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1.5x scale

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.