Home / 45,150.80-67,726.20-29,404.40

Finding the Fourth Proportional to 45,150.80, 67,726.20 and 29,404.40

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Solution

The fourth proportional to 45,150.80, 67,726.20 and 29,404.40 is: 44,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.80 : 67,726.20 = 29,404.40 : x
  2. Step 2: Convert to fraction form
    45,150.80/67,726.20 = 29,404.40/x
  3. Step 3: Cross multiply
    45,150.80x = 67,726.20 × 29,404.40
  4. Step 4: Simplify right side
    45,150.80x = 1,991,448,275.28
  5. Step 5: Solve for x
    x = 1,991,448,275.28/45,150.80
  6. Step 6: Final answer
    x = 44,106.60

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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.