Home / 88,313.70-121,870.26-50,076.75

Finding the Fourth Proportional to 88,313.70, 121,870.26 and 50,076.75

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Solution

The fourth proportional to 88,313.70, 121,870.26 and 50,076.75 is: 69,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,313.70 : 121,870.26 = 50,076.75 : x
  2. Step 2: Convert to fraction form
    88,313.70/121,870.26 = 50,076.75/x
  3. Step 3: Cross multiply
    88,313.70x = 121,870.26 × 50,076.75
  4. Step 4: Simplify right side
    88,313.70x = 6,102,866,542.46
  5. Step 5: Solve for x
    x = 6,102,866,542.46/88,313.70
  6. Step 6: Final answer
    x = 69,104.41

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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.