Home / 53,815.70-80,723.55-34,132.70

Finding the Fourth Proportional to 53,815.70, 80,723.55 and 34,132.70

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Solution

The fourth proportional to 53,815.70, 80,723.55 and 34,132.70 is: 51,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.70 : 80,723.55 = 34,132.70 : x
  2. Step 2: Convert to fraction form
    53,815.70/80,723.55 = 34,132.70/x
  3. Step 3: Cross multiply
    53,815.70x = 80,723.55 × 34,132.70
  4. Step 4: Simplify right side
    53,815.70x = 2,755,312,715.09
  5. Step 5: Solve for x
    x = 2,755,312,715.09/53,815.70
  6. Step 6: Final answer
    x = 51,199.05

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Similar ratio
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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.