Home / 83,343.39-115,014.66-45,618.45

Finding the Fourth Proportional to 83,343.39, 115,014.66 and 45,618.45

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Solution

The fourth proportional to 83,343.39, 115,014.66 and 45,618.45 is: 62,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.39 : 115,014.66 = 45,618.45 : x
  2. Step 2: Convert to fraction form
    83,343.39/115,014.66 = 45,618.45/x
  3. Step 3: Cross multiply
    83,343.39x = 115,014.66 × 45,618.45
  4. Step 4: Simplify right side
    83,343.39x = 5,246,790,516.48
  5. Step 5: Solve for x
    x = 5,246,790,516.48/83,343.39
  6. Step 6: Final answer
    x = 62,953.89

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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.