Home / 88,315.33-121,872.56-50,078.37

Finding the Fourth Proportional to 88,315.33, 121,872.56 and 50,078.37

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Solution

The fourth proportional to 88,315.33, 121,872.56 and 50,078.37 is: 69,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.33 : 121,872.56 = 50,078.37 : x
  2. Step 2: Convert to fraction form
    88,315.33/121,872.56 = 50,078.37/x
  3. Step 3: Cross multiply
    88,315.33x = 121,872.56 × 50,078.37
  4. Step 4: Simplify right side
    88,315.33x = 6,103,179,222.99
  5. Step 5: Solve for x
    x = 6,103,179,222.99/88,315.33
  6. Step 6: Final answer
    x = 69,106.68

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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.