Home / 88,037.37-121,493.22-54,028.84

Finding the Fourth Proportional to 88,037.37, 121,493.22 and 54,028.84

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Solution

The fourth proportional to 88,037.37, 121,493.22 and 54,028.84 is: 74,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.37 : 121,493.22 = 54,028.84 : x
  2. Step 2: Convert to fraction form
    88,037.37/121,493.22 = 54,028.84/x
  3. Step 3: Cross multiply
    88,037.37x = 121,493.22 × 54,028.84
  4. Step 4: Simplify right side
    88,037.37x = 6,564,137,137.00
  5. Step 5: Solve for x
    x = 6,564,137,137.00/88,037.37
  6. Step 6: Final answer
    x = 74,560.81

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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.