Home / 52,784.64-79,115.52-52,200.96

Finding the Fourth Proportional to 52,784.64, 79,115.52 and 52,200.96

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Solution

The fourth proportional to 52,784.64, 79,115.52 and 52,200.96 is: 78,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,784.64 : 79,115.52 = 52,200.96 : x
  2. Step 2: Convert to fraction form
    52,784.64/79,115.52 = 52,200.96/x
  3. Step 3: Cross multiply
    52,784.64x = 79,115.52 × 52,200.96
  4. Step 4: Simplify right side
    52,784.64x = 4,129,906,094.90
  5. Step 5: Solve for x
    x = 4,129,906,094.90/52,784.64
  6. Step 6: Final answer
    x = 78,240.68

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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.