Home / 89,122.12-122,976.83-53,299.06

Finding the Fourth Proportional to 89,122.12, 122,976.83 and 53,299.06

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Solution

The fourth proportional to 89,122.12, 122,976.83 and 53,299.06 is: 73,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.12 : 122,976.83 = 53,299.06 : x
  2. Step 2: Convert to fraction form
    89,122.12/122,976.83 = 53,299.06/x
  3. Step 3: Cross multiply
    89,122.12x = 122,976.83 × 53,299.06
  4. Step 4: Simplify right side
    89,122.12x = 6,554,548,559.40
  5. Step 5: Solve for x
    x = 6,554,548,559.40/89,122.12
  6. Step 6: Final answer
    x = 73,545.70

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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.