Home / 83,390.10-125,101.35-36,005.10

Finding the Fourth Proportional to 83,390.10, 125,101.35 and 36,005.10

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Solution

The fourth proportional to 83,390.10, 125,101.35 and 36,005.10 is: 54,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,390.10 : 125,101.35 = 36,005.10 : x
  2. Step 2: Convert to fraction form
    83,390.10/125,101.35 = 36,005.10/x
  3. Step 3: Cross multiply
    83,390.10x = 125,101.35 × 36,005.10
  4. Step 4: Simplify right side
    83,390.10x = 4,504,286,616.89
  5. Step 5: Solve for x
    x = 4,504,286,616.89/83,390.10
  6. Step 6: Final answer
    x = 54,014.64

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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.