Home / 84,514.95-126,751.67-28,353.80

Finding the Fourth Proportional to 84,514.95, 126,751.67 and 28,353.80

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Solution

The fourth proportional to 84,514.95, 126,751.67 and 28,353.80 is: 42,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,514.95 : 126,751.67 = 28,353.80 : x
  2. Step 2: Convert to fraction form
    84,514.95/126,751.67 = 28,353.80/x
  3. Step 3: Cross multiply
    84,514.95x = 126,751.67 × 28,353.80
  4. Step 4: Simplify right side
    84,514.95x = 3,593,891,500.85
  5. Step 5: Solve for x
    x = 3,593,891,500.85/84,514.95
  6. Step 6: Final answer
    x = 42,523.74

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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.