Home / 84,880.64-127,309.44-22,545.92

Finding the Fourth Proportional to 84,880.64, 127,309.44 and 22,545.92

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Solution

The fourth proportional to 84,880.64, 127,309.44 and 22,545.92 is: 33,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880.64 : 127,309.44 = 22,545.92 : x
  2. Step 2: Convert to fraction form
    84,880.64/127,309.44 = 22,545.92/x
  3. Step 3: Cross multiply
    84,880.64x = 127,309.44 × 22,545.92
  4. Step 4: Simplify right side
    84,880.64x = 2,870,308,449.48
  5. Step 5: Solve for x
    x = 2,870,308,449.48/84,880.64
  6. Step 6: Final answer
    x = 33,815.82

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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.