Home / 84,254.27-126,211.86-39,923.78

Finding the Fourth Proportional to 84,254.27, 126,211.86 and 39,923.78

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Solution

The fourth proportional to 84,254.27, 126,211.86 and 39,923.78 is: 59,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,254.27 : 126,211.86 = 39,923.78 : x
  2. Step 2: Convert to fraction form
    84,254.27/126,211.86 = 39,923.78/x
  3. Step 3: Cross multiply
    84,254.27x = 126,211.86 × 39,923.78
  4. Step 4: Simplify right side
    84,254.27x = 5,038,854,532.03
  5. Step 5: Solve for x
    x = 5,038,854,532.03/84,254.27
  6. Step 6: Final answer
    x = 59,805.33

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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.