Home / 71,133.21-98,162.55-39,304.26

Finding the Fourth Proportional to 71,133.21, 98,162.55 and 39,304.26

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Solution

The fourth proportional to 71,133.21, 98,162.55 and 39,304.26 is: 54,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,133.21 : 98,162.55 = 39,304.26 : x
  2. Step 2: Convert to fraction form
    71,133.21/98,162.55 = 39,304.26/x
  3. Step 3: Cross multiply
    71,133.21x = 98,162.55 × 39,304.26
  4. Step 4: Simplify right side
    71,133.21x = 3,858,206,387.46
  5. Step 5: Solve for x
    x = 3,858,206,387.46/71,133.21
  6. Step 6: Final answer
    x = 54,239.17

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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.