Home / 88,255.41-121,793.21-47,969.17

Finding the Fourth Proportional to 88,255.41, 121,793.21 and 47,969.17

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Solution

The fourth proportional to 88,255.41, 121,793.21 and 47,969.17 is: 66,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.41 : 121,793.21 = 47,969.17 : x
  2. Step 2: Convert to fraction form
    88,255.41/121,793.21 = 47,969.17/x
  3. Step 3: Cross multiply
    88,255.41x = 121,793.21 × 47,969.17
  4. Step 4: Simplify right side
    88,255.41x = 5,842,318,586.37
  5. Step 5: Solve for x
    x = 5,842,318,586.37/88,255.41
  6. Step 6: Final answer
    x = 66,197.85

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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.