Home / 48,869.94-67,442.22-28,726.56

Finding the Fourth Proportional to 48,869.94, 67,442.22 and 28,726.56

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Solution

The fourth proportional to 48,869.94, 67,442.22 and 28,726.56 is: 39,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,869.94 : 67,442.22 = 28,726.56 : x
  2. Step 2: Convert to fraction form
    48,869.94/67,442.22 = 28,726.56/x
  3. Step 3: Cross multiply
    48,869.94x = 67,442.22 × 28,726.56
  4. Step 4: Simplify right side
    48,869.94x = 1,937,382,979.36
  5. Step 5: Solve for x
    x = 1,937,382,979.36/48,869.94
  6. Step 6: Final answer
    x = 39,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.