Home / 88,130.96-121,620.79-47,844.73

Finding the Fourth Proportional to 88,130.96, 121,620.79 and 47,844.73

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Solution

The fourth proportional to 88,130.96, 121,620.79 and 47,844.73 is: 66,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.96 : 121,620.79 = 47,844.73 : x
  2. Step 2: Convert to fraction form
    88,130.96/121,620.79 = 47,844.73/x
  3. Step 3: Cross multiply
    88,130.96x = 121,620.79 × 47,844.73
  4. Step 4: Simplify right side
    88,130.96x = 5,818,913,859.94
  5. Step 5: Solve for x
    x = 5,818,913,859.94/88,130.96
  6. Step 6: Final answer
    x = 66,025.76

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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.