Home / 45,393.28-68,098.56-14,220.16

Finding the Fourth Proportional to 45,393.28, 68,098.56 and 14,220.16

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Solution

The fourth proportional to 45,393.28, 68,098.56 and 14,220.16 is: 21,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.28 : 68,098.56 = 14,220.16 : x
  2. Step 2: Convert to fraction form
    45,393.28/68,098.56 = 14,220.16/x
  3. Step 3: Cross multiply
    45,393.28x = 68,098.56 × 14,220.16
  4. Step 4: Simplify right side
    45,393.28x = 968,372,418.97
  5. Step 5: Solve for x
    x = 968,372,418.97/45,393.28
  6. Step 6: Final answer
    x = 21,332.95

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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.