Home / 88,871.25-122,643.78-53,064.39

Finding the Fourth Proportional to 88,871.25, 122,643.78 and 53,064.39

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Solution

The fourth proportional to 88,871.25, 122,643.78 and 53,064.39 is: 73,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.25 : 122,643.78 = 53,064.39 : x
  2. Step 2: Convert to fraction form
    88,871.25/122,643.78 = 53,064.39/x
  3. Step 3: Cross multiply
    88,871.25x = 122,643.78 × 53,064.39
  4. Step 4: Simplify right side
    88,871.25x = 6,508,017,372.99
  5. Step 5: Solve for x
    x = 6,508,017,372.99/88,871.25
  6. Step 6: Final answer
    x = 73,229.73

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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.