Home / 72,625.20-100,219.68-42,412.24

Finding the Fourth Proportional to 72,625.20, 100,219.68 and 42,412.24

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Solution

The fourth proportional to 72,625.20, 100,219.68 and 42,412.24 is: 58,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,625.20 : 100,219.68 = 42,412.24 : x
  2. Step 2: Convert to fraction form
    72,625.20/100,219.68 = 42,412.24/x
  3. Step 3: Cross multiply
    72,625.20x = 100,219.68 × 42,412.24
  4. Step 4: Simplify right side
    72,625.20x = 4,250,541,120.88
  5. Step 5: Solve for x
    x = 4,250,541,120.88/72,625.20
  6. Step 6: Final answer
    x = 58,527.08

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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.