Home / 77,488.32-116,236.80-22,080

Finding the Fourth Proportional to 77,488.32, 116,236.80 and 22,080

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Solution

The fourth proportional to 77,488.32, 116,236.80 and 22,080 is: 33,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.32 : 116,236.80 = 22,080 : x
  2. Step 2: Convert to fraction form
    77,488.32/116,236.80 = 22,080/x
  3. Step 3: Cross multiply
    77,488.32x = 116,236.80 × 22,080
  4. Step 4: Simplify right side
    77,488.32x = 2,566,508,544
  5. Step 5: Solve for x
    x = 2,566,508,544/77,488.32
  6. Step 6: Final answer
    x = 33,121.23

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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.