Home / 42,721.24-64,033.08-26,718.16

Finding the Fourth Proportional to 42,721.24, 64,033.08 and 26,718.16

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Solution

The fourth proportional to 42,721.24, 64,033.08 and 26,718.16 is: 40,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721.24 : 64,033.08 = 26,718.16 : x
  2. Step 2: Convert to fraction form
    42,721.24/64,033.08 = 26,718.16/x
  3. Step 3: Cross multiply
    42,721.24x = 64,033.08 × 26,718.16
  4. Step 4: Simplify right side
    42,721.24x = 1,710,846,076.73
  5. Step 5: Solve for x
    x = 1,710,846,076.73/42,721.24
  6. Step 6: Final answer
    x = 40,046.73

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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.