Home / 83,386.48-115,073.39-45,146.04

Finding the Fourth Proportional to 83,386.48, 115,073.39 and 45,146.04

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Solution

The fourth proportional to 83,386.48, 115,073.39 and 45,146.04 is: 62,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,386.48 : 115,073.39 = 45,146.04 : x
  2. Step 2: Convert to fraction form
    83,386.48/115,073.39 = 45,146.04/x
  3. Step 3: Cross multiply
    83,386.48x = 115,073.39 × 45,146.04
  4. Step 4: Simplify right side
    83,386.48x = 5,195,107,867.88
  5. Step 5: Solve for x
    x = 5,195,107,867.88/83,386.48
  6. Step 6: Final answer
    x = 62,301.56

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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.