Home / 71,079.26-98,086.76-39,247.48

Finding the Fourth Proportional to 71,079.26, 98,086.76 and 39,247.48

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Solution

The fourth proportional to 71,079.26, 98,086.76 and 39,247.48 is: 54,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079.26 : 98,086.76 = 39,247.48 : x
  2. Step 2: Convert to fraction form
    71,079.26/98,086.76 = 39,247.48/x
  3. Step 3: Cross multiply
    71,079.26x = 98,086.76 × 39,247.48
  4. Step 4: Simplify right side
    71,079.26x = 3,849,658,151.36
  5. Step 5: Solve for x
    x = 3,849,658,151.36/71,079.26
  6. Step 6: Final answer
    x = 54,160.08

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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.