Home / 88,333.50-121,900.24-50,629.62

Finding the Fourth Proportional to 88,333.50, 121,900.24 and 50,629.62

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Solution

The fourth proportional to 88,333.50, 121,900.24 and 50,629.62 is: 69,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.50 : 121,900.24 = 50,629.62 : x
  2. Step 2: Convert to fraction form
    88,333.50/121,900.24 = 50,629.62/x
  3. Step 3: Cross multiply
    88,333.50x = 121,900.24 × 50,629.62
  4. Step 4: Simplify right side
    88,333.50x = 6,171,762,829.11
  5. Step 5: Solve for x
    x = 6,171,762,829.11/88,333.50
  6. Step 6: Final answer
    x = 69,868.88

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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.