Home / 88,320.42-121,881.03-48,033.33

Finding the Fourth Proportional to 88,320.42, 121,881.03 and 48,033.33

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Solution

The fourth proportional to 88,320.42, 121,881.03 and 48,033.33 is: 66,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,320.42 : 121,881.03 = 48,033.33 : x
  2. Step 2: Convert to fraction form
    88,320.42/121,881.03 = 48,033.33/x
  3. Step 3: Cross multiply
    88,320.42x = 121,881.03 × 48,033.33
  4. Step 4: Simplify right side
    88,320.42x = 5,854,351,734.73
  5. Step 5: Solve for x
    x = 5,854,351,734.73/88,320.42
  6. Step 6: Final answer
    x = 66,285.37

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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.