Home / 48,616.36-72,896.70-28,908.68

Finding the Fourth Proportional to 48,616.36, 72,896.70 and 28,908.68

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Solution

The fourth proportional to 48,616.36, 72,896.70 and 28,908.68 is: 43,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.36 : 72,896.70 = 28,908.68 : x
  2. Step 2: Convert to fraction form
    48,616.36/72,896.70 = 28,908.68/x
  3. Step 3: Cross multiply
    48,616.36x = 72,896.70 × 28,908.68
  4. Step 4: Simplify right side
    48,616.36x = 2,107,347,373.36
  5. Step 5: Solve for x
    x = 2,107,347,373.36/48,616.36
  6. Step 6: Final answer
    x = 43,346.47

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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.