Home / 88,825.46-122,632.53-55,336.82

Finding the Fourth Proportional to 88,825.46, 122,632.53 and 55,336.82

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Solution

The fourth proportional to 88,825.46, 122,632.53 and 55,336.82 is: 76,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,825.46 : 122,632.53 = 55,336.82 : x
  2. Step 2: Convert to fraction form
    88,825.46/122,632.53 = 55,336.82/x
  3. Step 3: Cross multiply
    88,825.46x = 122,632.53 × 55,336.82
  4. Step 4: Simplify right side
    88,825.46x = 6,786,094,238.75
  5. Step 5: Solve for x
    x = 6,786,094,238.75/88,825.46
  6. Step 6: Final answer
    x = 76,398.08

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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.