Home / 83,769.12-125,650.44-28,365.12

Finding the Fourth Proportional to 83,769.12, 125,650.44 and 28,365.12

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Solution

The fourth proportional to 83,769.12, 125,650.44 and 28,365.12 is: 42,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,769.12 : 125,650.44 = 28,365.12 : x
  2. Step 2: Convert to fraction form
    83,769.12/125,650.44 = 28,365.12/x
  3. Step 3: Cross multiply
    83,769.12x = 125,650.44 × 28,365.12
  4. Step 4: Simplify right side
    83,769.12x = 3,564,089,808.65
  5. Step 5: Solve for x
    x = 3,564,089,808.65/83,769.12
  6. Step 6: Final answer
    x = 42,546.58

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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.