Home / 83,569.21-115,318.64-45,843.46

Finding the Fourth Proportional to 83,569.21, 115,318.64 and 45,843.46

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Solution

The fourth proportional to 83,569.21, 115,318.64 and 45,843.46 is: 63,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,569.21 : 115,318.64 = 45,843.46 : x
  2. Step 2: Convert to fraction form
    83,569.21/115,318.64 = 45,843.46/x
  3. Step 3: Cross multiply
    83,569.21x = 115,318.64 × 45,843.46
  4. Step 4: Simplify right side
    83,569.21x = 5,286,605,286.41
  5. Step 5: Solve for x
    x = 5,286,605,286.41/83,569.21
  6. Step 6: Final answer
    x = 63,260.21

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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.