Home / 88,107.07-121,593.78-49,866.67

Finding the Fourth Proportional to 88,107.07, 121,593.78 and 49,866.67

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Solution

The fourth proportional to 88,107.07, 121,593.78 and 49,866.67 is: 68,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107.07 : 121,593.78 = 49,866.67 : x
  2. Step 2: Convert to fraction form
    88,107.07/121,593.78 = 49,866.67/x
  3. Step 3: Cross multiply
    88,107.07x = 121,593.78 × 49,866.67
  4. Step 4: Simplify right side
    88,107.07x = 6,063,476,901.31
  5. Step 5: Solve for x
    x = 6,063,476,901.31/88,107.07
  6. Step 6: Final answer
    x = 68,819.41

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1.5x scale

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.