Home / 83,394.36-115,084.25-45,153.92

Finding the Fourth Proportional to 83,394.36, 115,084.25 and 45,153.92

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Solution

The fourth proportional to 83,394.36, 115,084.25 and 45,153.92 is: 62,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.36 : 115,084.25 = 45,153.92 : x
  2. Step 2: Convert to fraction form
    83,394.36/115,084.25 = 45,153.92/x
  3. Step 3: Cross multiply
    83,394.36x = 115,084.25 × 45,153.92
  4. Step 4: Simplify right side
    83,394.36x = 5,196,504,216.57
  5. Step 5: Solve for x
    x = 5,196,504,216.57/83,394.36
  6. Step 6: Final answer
    x = 62,312.42

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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.