Home / 51,215.44-77,285.71-49,637.65

Finding the Fourth Proportional to 51,215.44, 77,285.71 and 49,637.65

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Solution

The fourth proportional to 51,215.44, 77,285.71 and 49,637.65 is: 74,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.44 : 77,285.71 = 49,637.65 : x
  2. Step 2: Convert to fraction form
    51,215.44/77,285.71 = 49,637.65/x
  3. Step 3: Cross multiply
    51,215.44x = 77,285.71 × 49,637.65
  4. Step 4: Simplify right side
    51,215.44x = 3,836,281,022.98
  5. Step 5: Solve for x
    x = 3,836,281,022.98/51,215.44
  6. Step 6: Final answer
    x = 74,904.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.