Home / 76,288.86-114,422.22-53,423.28

Finding the Fourth Proportional to 76,288.86, 114,422.22 and 53,423.28

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Solution

The fourth proportional to 76,288.86, 114,422.22 and 53,423.28 is: 80,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288.86 : 114,422.22 = 53,423.28 : x
  2. Step 2: Convert to fraction form
    76,288.86/114,422.22 = 53,423.28/x
  3. Step 3: Cross multiply
    76,288.86x = 114,422.22 × 53,423.28
  4. Step 4: Simplify right side
    76,288.86x = 6,112,810,297.28
  5. Step 5: Solve for x
    x = 6,112,810,297.28/76,288.86
  6. Step 6: Final answer
    x = 80,127.17

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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.