Home / 52,876.64-79,319.28-21,712.16

Finding the Fourth Proportional to 52,876.64, 79,319.28 and 21,712.16

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Solution

The fourth proportional to 52,876.64, 79,319.28 and 21,712.16 is: 32,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.64 : 79,319.28 = 21,712.16 : x
  2. Step 2: Convert to fraction form
    52,876.64/79,319.28 = 21,712.16/x
  3. Step 3: Cross multiply
    52,876.64x = 79,319.28 × 21,712.16
  4. Step 4: Simplify right side
    52,876.64x = 1,722,192,898.44
  5. Step 5: Solve for x
    x = 1,722,192,898.44/52,876.64
  6. Step 6: Final answer
    x = 32,570.01

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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.