Home / 49,719.77-68,616.34-28,502.22

Finding the Fourth Proportional to 49,719.77, 68,616.34 and 28,502.22

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Solution

The fourth proportional to 49,719.77, 68,616.34 and 28,502.22 is: 39,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.77 : 68,616.34 = 28,502.22 : x
  2. Step 2: Convert to fraction form
    49,719.77/68,616.34 = 28,502.22/x
  3. Step 3: Cross multiply
    49,719.77x = 68,616.34 × 28,502.22
  4. Step 4: Simplify right side
    49,719.77x = 1,955,717,947.02
  5. Step 5: Solve for x
    x = 1,955,717,947.02/49,719.77
  6. Step 6: Final answer
    x = 39,334.82

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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.