Home / 65,119.20-97,419.60-56,450.40

Finding the Fourth Proportional to 65,119.20, 97,419.60 and 56,450.40

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Solution

The fourth proportional to 65,119.20, 97,419.60 and 56,450.40 is: 84,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119.20 : 97,419.60 = 56,450.40 : x
  2. Step 2: Convert to fraction form
    65,119.20/97,419.60 = 56,450.40/x
  3. Step 3: Cross multiply
    65,119.20x = 97,419.60 × 56,450.40
  4. Step 4: Simplify right side
    65,119.20x = 5,499,375,387.84
  5. Step 5: Solve for x
    x = 5,499,375,387.84/65,119.20
  6. Step 6: Final answer
    x = 84,450.91

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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.