Home / 89,378.07-123,342.75-49,092.77

Finding the Fourth Proportional to 89,378.07, 123,342.75 and 49,092.77

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Solution

The fourth proportional to 89,378.07, 123,342.75 and 49,092.77 is: 67,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,378.07 : 123,342.75 = 49,092.77 : x
  2. Step 2: Convert to fraction form
    89,378.07/123,342.75 = 49,092.77/x
  3. Step 3: Cross multiply
    89,378.07x = 123,342.75 × 49,092.77
  4. Step 4: Simplify right side
    89,378.07x = 6,055,237,256.92
  5. Step 5: Solve for x
    x = 6,055,237,256.92/89,378.07
  6. Step 6: Final answer
    x = 67,748.58

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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.