Home / 89,440.88-123,418.50-53,632.40

Finding the Fourth Proportional to 89,440.88, 123,418.50 and 53,632.40

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Solution

The fourth proportional to 89,440.88, 123,418.50 and 53,632.40 is: 74,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.88 : 123,418.50 = 53,632.40 : x
  2. Step 2: Convert to fraction form
    89,440.88/123,418.50 = 53,632.40/x
  3. Step 3: Cross multiply
    89,440.88x = 123,418.50 × 53,632.40
  4. Step 4: Simplify right side
    89,440.88x = 6,619,230,359.40
  5. Step 5: Solve for x
    x = 6,619,230,359.40/89,440.88
  6. Step 6: Final answer
    x = 74,006.77

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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.