Home / 83,999.32-126,017.42-61,745.23

Finding the Fourth Proportional to 83,999.32, 126,017.42 and 61,745.23

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Solution

The fourth proportional to 83,999.32, 126,017.42 and 61,745.23 is: 92,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.32 : 126,017.42 = 61,745.23 : x
  2. Step 2: Convert to fraction form
    83,999.32/126,017.42 = 61,745.23/x
  3. Step 3: Cross multiply
    83,999.32x = 126,017.42 × 61,745.23
  4. Step 4: Simplify right side
    83,999.32x = 7,780,973,796.27
  5. Step 5: Solve for x
    x = 7,780,973,796.27/83,999.32
  6. Step 6: Final answer
    x = 92,631.39

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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.