Home / 88,931.25-122,728.50-50,696.82

Finding the Fourth Proportional to 88,931.25, 122,728.50 and 50,696.82

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Solution

The fourth proportional to 88,931.25, 122,728.50 and 50,696.82 is: 69,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,931.25 : 122,728.50 = 50,696.82 : x
  2. Step 2: Convert to fraction form
    88,931.25/122,728.50 = 50,696.82/x
  3. Step 3: Cross multiply
    88,931.25x = 122,728.50 × 50,696.82
  4. Step 4: Simplify right side
    88,931.25x = 6,221,944,673.37
  5. Step 5: Solve for x
    x = 6,221,944,673.37/88,931.25
  6. Step 6: Final answer
    x = 69,963.54

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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.