Home / 84,282.58-126,442.33-31,692.07

Finding the Fourth Proportional to 84,282.58, 126,442.33 and 31,692.07

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Solution

The fourth proportional to 84,282.58, 126,442.33 and 31,692.07 is: 47,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,282.58 : 126,442.33 = 31,692.07 : x
  2. Step 2: Convert to fraction form
    84,282.58/126,442.33 = 31,692.07/x
  3. Step 3: Cross multiply
    84,282.58x = 126,442.33 × 31,692.07
  4. Step 4: Simplify right side
    84,282.58x = 4,007,218,719.18
  5. Step 5: Solve for x
    x = 4,007,218,719.18/84,282.58
  6. Step 6: Final answer
    x = 47,545.04

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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.