Home / 71,205.80-98,257.08-39,370.36

Finding the Fourth Proportional to 71,205.80, 98,257.08 and 39,370.36

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Solution

The fourth proportional to 71,205.80, 98,257.08 and 39,370.36 is: 54,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,205.80 : 98,257.08 = 39,370.36 : x
  2. Step 2: Convert to fraction form
    71,205.80/98,257.08 = 39,370.36/x
  3. Step 3: Cross multiply
    71,205.80x = 98,257.08 × 39,370.36
  4. Step 4: Simplify right side
    71,205.80x = 3,868,416,612.15
  5. Step 5: Solve for x
    x = 3,868,416,612.15/71,205.80
  6. Step 6: Final answer
    x = 54,327.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.