Home / 71,224.20-98,273.16-42,530.76

Finding the Fourth Proportional to 71,224.20, 98,273.16 and 42,530.76

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Solution

The fourth proportional to 71,224.20, 98,273.16 and 42,530.76 is: 58,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,224.20 : 98,273.16 = 42,530.76 : x
  2. Step 2: Convert to fraction form
    71,224.20/98,273.16 = 42,530.76/x
  3. Step 3: Cross multiply
    71,224.20x = 98,273.16 × 42,530.76
  4. Step 4: Simplify right side
    71,224.20x = 4,179,632,182.40
  5. Step 5: Solve for x
    x = 4,179,632,182.40/71,224.20
  6. Step 6: Final answer
    x = 58,682.75

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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.