Home / 83,402.22-115,095.03-45,161.76

Finding the Fourth Proportional to 83,402.22, 115,095.03 and 45,161.76

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Solution

The fourth proportional to 83,402.22, 115,095.03 and 45,161.76 is: 62,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402.22 : 115,095.03 = 45,161.76 : x
  2. Step 2: Convert to fraction form
    83,402.22/115,095.03 = 45,161.76/x
  3. Step 3: Cross multiply
    83,402.22x = 115,095.03 × 45,161.76
  4. Step 4: Simplify right side
    83,402.22x = 5,197,894,122.05
  5. Step 5: Solve for x
    x = 5,197,894,122.05/83,402.22
  6. Step 6: Final answer
    x = 62,323.21

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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.