Home / 42,819.95-64,240.62-16,165.88

Finding the Fourth Proportional to 42,819.95, 64,240.62 and 16,165.88

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Solution

The fourth proportional to 42,819.95, 64,240.62 and 16,165.88 is: 24,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819.95 : 64,240.62 = 16,165.88 : x
  2. Step 2: Convert to fraction form
    42,819.95/64,240.62 = 16,165.88/x
  3. Step 3: Cross multiply
    42,819.95x = 64,240.62 × 16,165.88
  4. Step 4: Simplify right side
    42,819.95x = 1,038,505,832.84
  5. Step 5: Solve for x
    x = 1,038,505,832.84/42,819.95
  6. Step 6: Final answer
    x = 24,252.85

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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.