Home / 65,231.40-97,774.20-27,785.10

Finding the Fourth Proportional to 65,231.40, 97,774.20 and 27,785.10

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Solution

The fourth proportional to 65,231.40, 97,774.20 and 27,785.10 is: 41,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231.40 : 97,774.20 = 27,785.10 : x
  2. Step 2: Convert to fraction form
    65,231.40/97,774.20 = 27,785.10/x
  3. Step 3: Cross multiply
    65,231.40x = 97,774.20 × 27,785.10
  4. Step 4: Simplify right side
    65,231.40x = 2,716,665,924.42
  5. Step 5: Solve for x
    x = 2,716,665,924.42/65,231.40
  6. Step 6: Final answer
    x = 41,646.60

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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.