Home / 83,674.24-115,465.92-45,942.40

Finding the Fourth Proportional to 83,674.24, 115,465.92 and 45,942.40

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Solution

The fourth proportional to 83,674.24, 115,465.92 and 45,942.40 is: 63,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,674.24 : 115,465.92 = 45,942.40 : x
  2. Step 2: Convert to fraction form
    83,674.24/115,465.92 = 45,942.40/x
  3. Step 3: Cross multiply
    83,674.24x = 115,465.92 × 45,942.40
  4. Step 4: Simplify right side
    83,674.24x = 5,304,781,483.01
  5. Step 5: Solve for x
    x = 5,304,781,483.01/83,674.24
  6. Step 6: Final answer
    x = 63,398.02

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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.