Home / 52,816.64-79,276.80-39,701.12

Finding the Fourth Proportional to 52,816.64, 79,276.80 and 39,701.12

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Solution

The fourth proportional to 52,816.64, 79,276.80 and 39,701.12 is: 59,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.64 : 79,276.80 = 39,701.12 : x
  2. Step 2: Convert to fraction form
    52,816.64/79,276.80 = 39,701.12/x
  3. Step 3: Cross multiply
    52,816.64x = 79,276.80 × 39,701.12
  4. Step 4: Simplify right side
    52,816.64x = 3,147,377,750.02
  5. Step 5: Solve for x
    x = 3,147,377,750.02/52,816.64
  6. Step 6: Final answer
    x = 59,590.65

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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.