Home / 83,694.64-115,465.21-53,472.13

Finding the Fourth Proportional to 83,694.64, 115,465.21 and 53,472.13

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Solution

The fourth proportional to 83,694.64, 115,465.21 and 53,472.13 is: 73,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.64 : 115,465.21 = 53,472.13 : x
  2. Step 2: Convert to fraction form
    83,694.64/115,465.21 = 53,472.13/x
  3. Step 3: Cross multiply
    83,694.64x = 115,465.21 × 53,472.13
  4. Step 4: Simplify right side
    83,694.64x = 6,174,170,719.60
  5. Step 5: Solve for x
    x = 6,174,170,719.60/83,694.64
  6. Step 6: Final answer
    x = 73,770.20

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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.