Home / 45,699.28-68,523.80-14,100.71

Finding the Fourth Proportional to 45,699.28, 68,523.80 and 14,100.71

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Solution

The fourth proportional to 45,699.28, 68,523.80 and 14,100.71 is: 21,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.28 : 68,523.80 = 14,100.71 : x
  2. Step 2: Convert to fraction form
    45,699.28/68,523.80 = 14,100.71/x
  3. Step 3: Cross multiply
    45,699.28x = 68,523.80 × 14,100.71
  4. Step 4: Simplify right side
    45,699.28x = 966,233,818.78
  5. Step 5: Solve for x
    x = 966,233,818.78/45,699.28
  6. Step 6: Final answer
    x = 21,143.31

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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.