Home / 69,121.08-95,386.02-38,906.48

Finding the Fourth Proportional to 69,121.08, 95,386.02 and 38,906.48

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Solution

The fourth proportional to 69,121.08, 95,386.02 and 38,906.48 is: 53,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,121.08 : 95,386.02 = 38,906.48 : x
  2. Step 2: Convert to fraction form
    69,121.08/95,386.02 = 38,906.48/x
  3. Step 3: Cross multiply
    69,121.08x = 95,386.02 × 38,906.48
  4. Step 4: Simplify right side
    69,121.08x = 3,711,134,279.41
  5. Step 5: Solve for x
    x = 3,711,134,279.41/69,121.08
  6. Step 6: Final answer
    x = 53,690.34

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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.