Home / 83,031.20-114,584.37-45,305.45

Finding the Fourth Proportional to 83,031.20, 114,584.37 and 45,305.45

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Solution

The fourth proportional to 83,031.20, 114,584.37 and 45,305.45 is: 62,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,031.20 : 114,584.37 = 45,305.45 : x
  2. Step 2: Convert to fraction form
    83,031.20/114,584.37 = 45,305.45/x
  3. Step 3: Cross multiply
    83,031.20x = 114,584.37 × 45,305.45
  4. Step 4: Simplify right side
    83,031.20x = 5,191,295,872.89
  5. Step 5: Solve for x
    x = 5,191,295,872.89/83,031.20
  6. Step 6: Final answer
    x = 62,522.23

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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.