Home / 90,534.16-135,808.26-23,972.68

Finding the Fourth Proportional to 90,534.16, 135,808.26 and 23,972.68

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Solution

The fourth proportional to 90,534.16, 135,808.26 and 23,972.68 is: 35,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534.16 : 135,808.26 = 23,972.68 : x
  2. Step 2: Convert to fraction form
    90,534.16/135,808.26 = 23,972.68/x
  3. Step 3: Cross multiply
    90,534.16x = 135,808.26 × 23,972.68
  4. Step 4: Simplify right side
    90,534.16x = 3,255,687,958.34
  5. Step 5: Solve for x
    x = 3,255,687,958.34/90,534.16
  6. Step 6: Final answer
    x = 35,960.88

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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.