Home / 71,063.19-98,066.03-39,231.27

Finding the Fourth Proportional to 71,063.19, 98,066.03 and 39,231.27

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Solution

The fourth proportional to 71,063.19, 98,066.03 and 39,231.27 is: 54,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.19 : 98,066.03 = 39,231.27 : x
  2. Step 2: Convert to fraction form
    71,063.19/98,066.03 = 39,231.27/x
  3. Step 3: Cross multiply
    71,063.19x = 98,066.03 × 39,231.27
  4. Step 4: Simplify right side
    71,063.19x = 3,847,254,704.60
  5. Step 5: Solve for x
    x = 3,847,254,704.60/71,063.19
  6. Step 6: Final answer
    x = 54,138.50

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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.