Home / 83,752.12-115,578.66-45,511.68

Finding the Fourth Proportional to 83,752.12, 115,578.66 and 45,511.68

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Solution

The fourth proportional to 83,752.12, 115,578.66 and 45,511.68 is: 62,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.12 : 115,578.66 = 45,511.68 : x
  2. Step 2: Convert to fraction form
    83,752.12/115,578.66 = 45,511.68/x
  3. Step 3: Cross multiply
    83,752.12x = 115,578.66 × 45,511.68
  4. Step 4: Simplify right side
    83,752.12x = 5,260,178,988.75
  5. Step 5: Solve for x
    x = 5,260,178,988.75/83,752.12
  6. Step 6: Final answer
    x = 62,806.52

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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.