Home / 83,386.91-115,073.96-45,146.45

Finding the Fourth Proportional to 83,386.91, 115,073.96 and 45,146.45

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Solution

The fourth proportional to 83,386.91, 115,073.96 and 45,146.45 is: 62,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,386.91 : 115,073.96 = 45,146.45 : x
  2. Step 2: Convert to fraction form
    83,386.91/115,073.96 = 45,146.45/x
  3. Step 3: Cross multiply
    83,386.91x = 115,073.96 × 45,146.45
  4. Step 4: Simplify right side
    83,386.91x = 5,195,180,781.44
  5. Step 5: Solve for x
    x = 5,195,180,781.44/83,386.91
  6. Step 6: Final answer
    x = 62,302.11

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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.