Home / 88,206.93-121,728.29-50,493.33

Finding the Fourth Proportional to 88,206.93, 121,728.29 and 50,493.33

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Solution

The fourth proportional to 88,206.93, 121,728.29 and 50,493.33 is: 69,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,206.93 : 121,728.29 = 50,493.33 : x
  2. Step 2: Convert to fraction form
    88,206.93/121,728.29 = 50,493.33/x
  3. Step 3: Cross multiply
    88,206.93x = 121,728.29 × 50,493.33
  4. Step 4: Simplify right side
    88,206.93x = 6,146,466,464.84
  5. Step 5: Solve for x
    x = 6,146,466,464.84/88,206.93
  6. Step 6: Final answer
    x = 69,682.35

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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.