Home / 45,240.96-67,853.88-14,073.78

Finding the Fourth Proportional to 45,240.96, 67,853.88 and 14,073.78

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Solution

The fourth proportional to 45,240.96, 67,853.88 and 14,073.78 is: 21,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240.96 : 67,853.88 = 14,073.78 : x
  2. Step 2: Convert to fraction form
    45,240.96/67,853.88 = 14,073.78/x
  3. Step 3: Cross multiply
    45,240.96x = 67,853.88 × 14,073.78
  4. Step 4: Simplify right side
    45,240.96x = 954,960,579.27
  5. Step 5: Solve for x
    x = 954,960,579.27/45,240.96
  6. Step 6: Final answer
    x = 21,108.32

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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.