Home / 42,766.66-64,150.02-11,601.91

Finding the Fourth Proportional to 42,766.66, 64,150.02 and 11,601.91

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Solution

The fourth proportional to 42,766.66, 64,150.02 and 11,601.91 is: 17,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.66 : 64,150.02 = 11,601.91 : x
  2. Step 2: Convert to fraction form
    42,766.66/64,150.02 = 11,601.91/x
  3. Step 3: Cross multiply
    42,766.66x = 64,150.02 × 11,601.91
  4. Step 4: Simplify right side
    42,766.66x = 744,262,758.54
  5. Step 5: Solve for x
    x = 744,262,758.54/42,766.66
  6. Step 6: Final answer
    x = 17,402.87

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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.