Home / 42,766.20-64,214.10-32,916.60

Finding the Fourth Proportional to 42,766.20, 64,214.10 and 32,916.60

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Solution

The fourth proportional to 42,766.20, 64,214.10 and 32,916.60 is: 49,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.20 : 64,214.10 = 32,916.60 : x
  2. Step 2: Convert to fraction form
    42,766.20/64,214.10 = 32,916.60/x
  3. Step 3: Cross multiply
    42,766.20x = 64,214.10 × 32,916.60
  4. Step 4: Simplify right side
    42,766.20x = 2,113,709,844.06
  5. Step 5: Solve for x
    x = 2,113,709,844.06/42,766.20
  6. Step 6: Final answer
    x = 49,424.78

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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.