Home / 45,070.43-67,616.71-15,488.69

Finding the Fourth Proportional to 45,070.43, 67,616.71 and 15,488.69

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Solution

The fourth proportional to 45,070.43, 67,616.71 and 15,488.69 is: 23,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.43 : 67,616.71 = 15,488.69 : x
  2. Step 2: Convert to fraction form
    45,070.43/67,616.71 = 15,488.69/x
  3. Step 3: Cross multiply
    45,070.43x = 67,616.71 × 15,488.69
  4. Step 4: Simplify right side
    45,070.43x = 1,047,293,883.20
  5. Step 5: Solve for x
    x = 1,047,293,883.20/45,070.43
  6. Step 6: Final answer
    x = 23,236.83

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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.