Home / 88,253.84-121,789.73-50,535.38

Finding the Fourth Proportional to 88,253.84, 121,789.73 and 50,535.38

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Solution

The fourth proportional to 88,253.84, 121,789.73 and 50,535.38 is: 69,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,253.84 : 121,789.73 = 50,535.38 : x
  2. Step 2: Convert to fraction form
    88,253.84/121,789.73 = 50,535.38/x
  3. Step 3: Cross multiply
    88,253.84x = 121,789.73 × 50,535.38
  4. Step 4: Simplify right side
    88,253.84x = 6,154,689,424.02
  5. Step 5: Solve for x
    x = 6,154,689,424.02/88,253.84
  6. Step 6: Final answer
    x = 69,738.49

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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.