Home / 88,076.25-121,545.23-50,351.31

Finding the Fourth Proportional to 88,076.25, 121,545.23 and 50,351.31

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Solution

The fourth proportional to 88,076.25, 121,545.23 and 50,351.31 is: 69,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,076.25 : 121,545.23 = 50,351.31 : x
  2. Step 2: Convert to fraction form
    88,076.25/121,545.23 = 50,351.31/x
  3. Step 3: Cross multiply
    88,076.25x = 121,545.23 × 50,351.31
  4. Step 4: Simplify right side
    88,076.25x = 6,119,961,302.99
  5. Step 5: Solve for x
    x = 6,119,961,302.99/88,076.25
  6. Step 6: Final answer
    x = 69,484.81

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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.