Home / 71,400.28-98,532.30-43,100.44

Finding the Fourth Proportional to 71,400.28, 98,532.30 and 43,100.44

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Solution

The fourth proportional to 71,400.28, 98,532.30 and 43,100.44 is: 59,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,400.28 : 98,532.30 = 43,100.44 : x
  2. Step 2: Convert to fraction form
    71,400.28/98,532.30 = 43,100.44/x
  3. Step 3: Cross multiply
    71,400.28x = 98,532.30 × 43,100.44
  4. Step 4: Simplify right side
    71,400.28x = 4,246,785,484.21
  5. Step 5: Solve for x
    x = 4,246,785,484.21/71,400.28
  6. Step 6: Final answer
    x = 59,478.56

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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.