Home / 83,072.83-114,640.24-45,347.08

Finding the Fourth Proportional to 83,072.83, 114,640.24 and 45,347.08

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Solution

The fourth proportional to 83,072.83, 114,640.24 and 45,347.08 is: 62,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.83 : 114,640.24 = 45,347.08 : x
  2. Step 2: Convert to fraction form
    83,072.83/114,640.24 = 45,347.08/x
  3. Step 3: Cross multiply
    83,072.83x = 114,640.24 × 45,347.08
  4. Step 4: Simplify right side
    83,072.83x = 5,198,600,134.50
  5. Step 5: Solve for x
    x = 5,198,600,134.50/83,072.83
  6. Step 6: Final answer
    x = 62,578.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.