Home / 89,272.97-123,188.86-51,024.93

Finding the Fourth Proportional to 89,272.97, 123,188.86 and 51,024.93

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Solution

The fourth proportional to 89,272.97, 123,188.86 and 51,024.93 is: 70,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272.97 : 123,188.86 = 51,024.93 : x
  2. Step 2: Convert to fraction form
    89,272.97/123,188.86 = 51,024.93/x
  3. Step 3: Cross multiply
    89,272.97x = 123,188.86 × 51,024.93
  4. Step 4: Simplify right side
    89,272.97x = 6,285,702,958.28
  5. Step 5: Solve for x
    x = 6,285,702,958.28/89,272.97
  6. Step 6: Final answer
    x = 70,409.92

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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.