Home / 83,347.14-115,019.85-45,622.20

Finding the Fourth Proportional to 83,347.14, 115,019.85 and 45,622.20

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Solution

The fourth proportional to 83,347.14, 115,019.85 and 45,622.20 is: 62,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.14 : 115,019.85 = 45,622.20 : x
  2. Step 2: Convert to fraction form
    83,347.14/115,019.85 = 45,622.20/x
  3. Step 3: Cross multiply
    83,347.14x = 115,019.85 × 45,622.20
  4. Step 4: Simplify right side
    83,347.14x = 5,247,458,600.67
  5. Step 5: Solve for x
    x = 5,247,458,600.67/83,347.14
  6. Step 6: Final answer
    x = 62,959.07

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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.