Home / 72,034.20-99,367.26-42,220.44

Finding the Fourth Proportional to 72,034.20, 99,367.26 and 42,220.44

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Solution

The fourth proportional to 72,034.20, 99,367.26 and 42,220.44 is: 58,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,034.20 : 99,367.26 = 42,220.44 : x
  2. Step 2: Convert to fraction form
    72,034.20/99,367.26 = 42,220.44/x
  3. Step 3: Cross multiply
    72,034.20x = 99,367.26 × 42,220.44
  4. Step 4: Simplify right side
    72,034.20x = 4,195,329,438.79
  5. Step 5: Solve for x
    x = 4,195,329,438.79/72,034.20
  6. Step 6: Final answer
    x = 58,240.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.