Home / 65,349.20-97,764.60-56,680.40

Finding the Fourth Proportional to 65,349.20, 97,764.60 and 56,680.40

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Solution

The fourth proportional to 65,349.20, 97,764.60 and 56,680.40 is: 84,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.20 : 97,764.60 = 56,680.40 : x
  2. Step 2: Convert to fraction form
    65,349.20/97,764.60 = 56,680.40/x
  3. Step 3: Cross multiply
    65,349.20x = 97,764.60 × 56,680.40
  4. Step 4: Simplify right side
    65,349.20x = 5,541,336,633.84
  5. Step 5: Solve for x
    x = 5,541,336,633.84/65,349.20
  6. Step 6: Final answer
    x = 84,795.78

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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.