Home / 80,995.48-121,516.54-24,843.81

Finding the Fourth Proportional to 80,995.48, 121,516.54 and 24,843.81

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Solution

The fourth proportional to 80,995.48, 121,516.54 and 24,843.81 is: 37,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,995.48 : 121,516.54 = 24,843.81 : x
  2. Step 2: Convert to fraction form
    80,995.48/121,516.54 = 24,843.81/x
  3. Step 3: Cross multiply
    80,995.48x = 121,516.54 × 24,843.81
  4. Step 4: Simplify right side
    80,995.48x = 3,018,934,225.19
  5. Step 5: Solve for x
    x = 3,018,934,225.19/80,995.48
  6. Step 6: Final answer
    x = 37,272.87

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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.