Home / 83,839.20-115,696.36-45,599.50

Finding the Fourth Proportional to 83,839.20, 115,696.36 and 45,599.50

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Solution

The fourth proportional to 83,839.20, 115,696.36 and 45,599.50 is: 62,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.20 : 115,696.36 = 45,599.50 : x
  2. Step 2: Convert to fraction form
    83,839.20/115,696.36 = 45,599.50/x
  3. Step 3: Cross multiply
    83,839.20x = 115,696.36 × 45,599.50
  4. Step 4: Simplify right side
    83,839.20x = 5,275,696,167.82
  5. Step 5: Solve for x
    x = 5,275,696,167.82/83,839.20
  6. Step 6: Final answer
    x = 62,926.37

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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.