Home / 83,800.12-125,703.20-27,641.60

Finding the Fourth Proportional to 83,800.12, 125,703.20 and 27,641.60

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Solution

The fourth proportional to 83,800.12, 125,703.20 and 27,641.60 is: 41,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,800.12 : 125,703.20 = 27,641.60 : x
  2. Step 2: Convert to fraction form
    83,800.12/125,703.20 = 27,641.60/x
  3. Step 3: Cross multiply
    83,800.12x = 125,703.20 × 27,641.60
  4. Step 4: Simplify right side
    83,800.12x = 3,474,637,573.12
  5. Step 5: Solve for x
    x = 3,474,637,573.12/83,800.12
  6. Step 6: Final answer
    x = 41,463.40

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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.