Home / 45,277.88-67,920.56-14,113.13

Finding the Fourth Proportional to 45,277.88, 67,920.56 and 14,113.13

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Solution

The fourth proportional to 45,277.88, 67,920.56 and 14,113.13 is: 21,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.88 : 67,920.56 = 14,113.13 : x
  2. Step 2: Convert to fraction form
    45,277.88/67,920.56 = 14,113.13/x
  3. Step 3: Cross multiply
    45,277.88x = 67,920.56 × 14,113.13
  4. Step 4: Simplify right side
    45,277.88x = 958,571,335.71
  5. Step 5: Solve for x
    x = 958,571,335.71/45,277.88
  6. Step 6: Final answer
    x = 21,170.86

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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.