Home / 83,383.04-115,067.46-45,657.30

Finding the Fourth Proportional to 83,383.04, 115,067.46 and 45,657.30

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Solution

The fourth proportional to 83,383.04, 115,067.46 and 45,657.30 is: 63,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,383.04 : 115,067.46 = 45,657.30 : x
  2. Step 2: Convert to fraction form
    83,383.04/115,067.46 = 45,657.30/x
  3. Step 3: Cross multiply
    83,383.04x = 115,067.46 × 45,657.30
  4. Step 4: Simplify right side
    83,383.04x = 5,253,669,541.46
  5. Step 5: Solve for x
    x = 5,253,669,541.46/83,383.04
  6. Step 6: Final answer
    x = 63,006.45

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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.