Home / 71,195.36-98,242.08-39,359.12

Finding the Fourth Proportional to 71,195.36, 98,242.08 and 39,359.12

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Solution

The fourth proportional to 71,195.36, 98,242.08 and 39,359.12 is: 54,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,195.36 : 98,242.08 = 39,359.12 : x
  2. Step 2: Convert to fraction form
    71,195.36/98,242.08 = 39,359.12/x
  3. Step 3: Cross multiply
    71,195.36x = 98,242.08 × 39,359.12
  4. Step 4: Simplify right side
    71,195.36x = 3,866,721,815.77
  5. Step 5: Solve for x
    x = 3,866,721,815.77/71,195.36
  6. Step 6: Final answer
    x = 54,311.43

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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.