Home / 83,341.52-115,013.72-45,618.20

Finding the Fourth Proportional to 83,341.52, 115,013.72 and 45,618.20

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Solution

The fourth proportional to 83,341.52, 115,013.72 and 45,618.20 is: 62,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,341.52 : 115,013.72 = 45,618.20 : x
  2. Step 2: Convert to fraction form
    83,341.52/115,013.72 = 45,618.20/x
  3. Step 3: Cross multiply
    83,341.52x = 115,013.72 × 45,618.20
  4. Step 4: Simplify right side
    83,341.52x = 5,246,718,881.70
  5. Step 5: Solve for x
    x = 5,246,718,881.70/83,341.52
  6. Step 6: Final answer
    x = 62,954.44

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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.