Home / 45,148.47-67,660.43-34,042.97

Finding the Fourth Proportional to 45,148.47, 67,660.43 and 34,042.97

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Solution

The fourth proportional to 45,148.47, 67,660.43 and 34,042.97 is: 51,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.47 : 67,660.43 = 34,042.97 : x
  2. Step 2: Convert to fraction form
    45,148.47/67,660.43 = 34,042.97/x
  3. Step 3: Cross multiply
    45,148.47x = 67,660.43 × 34,042.97
  4. Step 4: Simplify right side
    45,148.47x = 2,303,361,480.16
  5. Step 5: Solve for x
    x = 2,303,361,480.16/45,148.47
  6. Step 6: Final answer
    x = 51,017.49

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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.