Home / 45,309.92-67,962.48-14,141.60

Finding the Fourth Proportional to 45,309.92, 67,962.48 and 14,141.60

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Solution

The fourth proportional to 45,309.92, 67,962.48 and 14,141.60 is: 21,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.92 : 67,962.48 = 14,141.60 : x
  2. Step 2: Convert to fraction form
    45,309.92/67,962.48 = 14,141.60/x
  3. Step 3: Cross multiply
    45,309.92x = 67,962.48 × 14,141.60
  4. Step 4: Simplify right side
    45,309.92x = 961,098,207.17
  5. Step 5: Solve for x
    x = 961,098,207.17/45,309.92
  6. Step 6: Final answer
    x = 21,211.65

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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.