Home / 83,346.57-115,021.04-45,620.82

Finding the Fourth Proportional to 83,346.57, 115,021.04 and 45,620.82

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Solution

The fourth proportional to 83,346.57, 115,021.04 and 45,620.82 is: 62,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,346.57 : 115,021.04 = 45,620.82 : x
  2. Step 2: Convert to fraction form
    83,346.57/115,021.04 = 45,620.82/x
  3. Step 3: Cross multiply
    83,346.57x = 115,021.04 × 45,620.82
  4. Step 4: Simplify right side
    83,346.57x = 5,247,353,933.95
  5. Step 5: Solve for x
    x = 5,247,353,933.95/83,346.57
  6. Step 6: Final answer
    x = 62,958.25

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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.