Home / 96,883.64-145,381.96-40,719.43

Finding the Fourth Proportional to 96,883.64, 145,381.96 and 40,719.43

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Solution

The fourth proportional to 96,883.64, 145,381.96 and 40,719.43 is: 61,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,883.64 : 145,381.96 = 40,719.43 : x
  2. Step 2: Convert to fraction form
    96,883.64/145,381.96 = 40,719.43/x
  3. Step 3: Cross multiply
    96,883.64x = 145,381.96 × 40,719.43
  4. Step 4: Simplify right side
    96,883.64x = 5,919,871,299.52
  5. Step 5: Solve for x
    x = 5,919,871,299.52/96,883.64
  6. Step 6: Final answer
    x = 61,102.90

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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.