Home / 64,664.16-96,961.61-28,607.82

Finding the Fourth Proportional to 64,664.16, 96,961.61 and 28,607.82

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Solution

The fourth proportional to 64,664.16, 96,961.61 and 28,607.82 is: 42,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664.16 : 96,961.61 = 28,607.82 : x
  2. Step 2: Convert to fraction form
    64,664.16/96,961.61 = 28,607.82/x
  3. Step 3: Cross multiply
    64,664.16x = 96,961.61 × 28,607.82
  4. Step 4: Simplify right side
    64,664.16x = 2,773,860,142.75
  5. Step 5: Solve for x
    x = 2,773,860,142.75/64,664.16
  6. Step 6: Final answer
    x = 42,896.41

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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.