Home / 83,607.33-125,410.65-30,286.84

Finding the Fourth Proportional to 83,607.33, 125,410.65 and 30,286.84

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Solution

The fourth proportional to 83,607.33, 125,410.65 and 30,286.84 is: 45,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.33 : 125,410.65 = 30,286.84 : x
  2. Step 2: Convert to fraction form
    83,607.33/125,410.65 = 30,286.84/x
  3. Step 3: Cross multiply
    83,607.33x = 125,410.65 × 30,286.84
  4. Step 4: Simplify right side
    83,607.33x = 3,798,292,290.85
  5. Step 5: Solve for x
    x = 3,798,292,290.85/83,607.33
  6. Step 6: Final answer
    x = 45,430.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.