Home / 49,382.92-68,143.47-27,870.74

Finding the Fourth Proportional to 49,382.92, 68,143.47 and 27,870.74

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Solution

The fourth proportional to 49,382.92, 68,143.47 and 27,870.74 is: 38,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,382.92 : 68,143.47 = 27,870.74 : x
  2. Step 2: Convert to fraction form
    49,382.92/68,143.47 = 27,870.74/x
  3. Step 3: Cross multiply
    49,382.92x = 68,143.47 × 27,870.74
  4. Step 4: Simplify right side
    49,382.92x = 1,899,208,935.07
  5. Step 5: Solve for x
    x = 1,899,208,935.07/49,382.92
  6. Step 6: Final answer
    x = 38,458.82

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1.5x scale

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.