Home / 89,064.52-122,901.78-50,823.88

Finding the Fourth Proportional to 89,064.52, 122,901.78 and 50,823.88

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Solution

The fourth proportional to 89,064.52, 122,901.78 and 50,823.88 is: 70,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.52 : 122,901.78 = 50,823.88 : x
  2. Step 2: Convert to fraction form
    89,064.52/122,901.78 = 50,823.88/x
  3. Step 3: Cross multiply
    89,064.52x = 122,901.78 × 50,823.88
  4. Step 4: Simplify right side
    89,064.52x = 6,246,345,318.51
  5. Step 5: Solve for x
    x = 6,246,345,318.51/89,064.52
  6. Step 6: Final answer
    x = 70,132.81

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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.