Home / 89,923.12-124,093.20-49,636.87

Finding the Fourth Proportional to 89,923.12, 124,093.20 and 49,636.87

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Solution

The fourth proportional to 89,923.12, 124,093.20 and 49,636.87 is: 68,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.12 : 124,093.20 = 49,636.87 : x
  2. Step 2: Convert to fraction form
    89,923.12/124,093.20 = 49,636.87/x
  3. Step 3: Cross multiply
    89,923.12x = 124,093.20 × 49,636.87
  4. Step 4: Simplify right side
    89,923.12x = 6,159,598,036.28
  5. Step 5: Solve for x
    x = 6,159,598,036.28/89,923.12
  6. Step 6: Final answer
    x = 68,498.49

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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.