Home / 65,997.20-90,988.03-52,430.26

Finding the Fourth Proportional to 65,997.20, 90,988.03 and 52,430.26

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Solution

The fourth proportional to 65,997.20, 90,988.03 and 52,430.26 is: 72,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.20 : 90,988.03 = 52,430.26 : x
  2. Step 2: Convert to fraction form
    65,997.20/90,988.03 = 52,430.26/x
  3. Step 3: Cross multiply
    65,997.20x = 90,988.03 × 52,430.26
  4. Step 4: Simplify right side
    65,997.20x = 4,770,526,078.46
  5. Step 5: Solve for x
    x = 4,770,526,078.46/65,997.20
  6. Step 6: Final answer
    x = 72,283.76

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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.