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Finding the Fourth Proportional to 65,104.20, 97,656.30 and 38,422.80

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Solution

The fourth proportional to 65,104.20, 97,656.30 and 38,422.80 is: 57,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.20 : 97,656.30 = 38,422.80 : x
  2. Step 2: Convert to fraction form
    65,104.20/97,656.30 = 38,422.80/x
  3. Step 3: Cross multiply
    65,104.20x = 97,656.30 × 38,422.80
  4. Step 4: Simplify right side
    65,104.20x = 3,752,228,483.64
  5. Step 5: Solve for x
    x = 3,752,228,483.64/65,104.20
  6. Step 6: Final answer
    x = 57,634.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.