Home / 100,026.28-150,024.30-29,911.60

Finding the Fourth Proportional to 100,026.28, 150,024.30 and 29,911.60

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Solution

The fourth proportional to 100,026.28, 150,024.30 and 29,911.60 is: 44,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,026.28 : 150,024.30 = 29,911.60 : x
  2. Step 2: Convert to fraction form
    100,026.28/150,024.30 = 29,911.60/x
  3. Step 3: Cross multiply
    100,026.28x = 150,024.30 × 29,911.60
  4. Step 4: Simplify right side
    100,026.28x = 4,487,466,851.88
  5. Step 5: Solve for x
    x = 4,487,466,851.88/100,026.28
  6. Step 6: Final answer
    x = 44,862.88

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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.