Home / 42,761.04-64,158.60-16,458.72

Finding the Fourth Proportional to 42,761.04, 64,158.60 and 16,458.72

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Solution

The fourth proportional to 42,761.04, 64,158.60 and 16,458.72 is: 24,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.04 : 64,158.60 = 16,458.72 : x
  2. Step 2: Convert to fraction form
    42,761.04/64,158.60 = 16,458.72/x
  3. Step 3: Cross multiply
    42,761.04x = 64,158.60 × 16,458.72
  4. Step 4: Simplify right side
    42,761.04x = 1,055,968,432.99
  5. Step 5: Solve for x
    x = 1,055,968,432.99/42,761.04
  6. Step 6: Final answer
    x = 24,694.64

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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.