Home / 52,256.64-78,385.68-28,832.16

Finding the Fourth Proportional to 52,256.64, 78,385.68 and 28,832.16

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Solution

The fourth proportional to 52,256.64, 78,385.68 and 28,832.16 is: 43,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.64 : 78,385.68 = 28,832.16 : x
  2. Step 2: Convert to fraction form
    52,256.64/78,385.68 = 28,832.16/x
  3. Step 3: Cross multiply
    52,256.64x = 78,385.68 × 28,832.16
  4. Step 4: Simplify right side
    52,256.64x = 2,260,028,467.47
  5. Step 5: Solve for x
    x = 2,260,028,467.47/52,256.64
  6. Step 6: Final answer
    x = 43,248.64

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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.