Home / 84,401.10-126,601.65-54,852.30

Finding the Fourth Proportional to 84,401.10, 126,601.65 and 54,852.30

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Solution

The fourth proportional to 84,401.10, 126,601.65 and 54,852.30 is: 82,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,401.10 : 126,601.65 = 54,852.30 : x
  2. Step 2: Convert to fraction form
    84,401.10/126,601.65 = 54,852.30/x
  3. Step 3: Cross multiply
    84,401.10x = 126,601.65 × 54,852.30
  4. Step 4: Simplify right side
    84,401.10x = 6,944,391,686.30
  5. Step 5: Solve for x
    x = 6,944,391,686.30/84,401.10
  6. Step 6: Final answer
    x = 82,278.45

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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.