Home / 71,202.12-98,257.50-39,370.20

Finding the Fourth Proportional to 71,202.12, 98,257.50 and 39,370.20

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Solution

The fourth proportional to 71,202.12, 98,257.50 and 39,370.20 is: 54,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.12 : 98,257.50 = 39,370.20 : x
  2. Step 2: Convert to fraction form
    71,202.12/98,257.50 = 39,370.20/x
  3. Step 3: Cross multiply
    71,202.12x = 98,257.50 × 39,370.20
  4. Step 4: Simplify right side
    71,202.12x = 3,868,417,426.50
  5. Step 5: Solve for x
    x = 3,868,417,426.50/71,202.12
  6. Step 6: Final answer
    x = 54,330.09

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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.