Home / 88,129.96-121,619.41-47,843.73

Finding the Fourth Proportional to 88,129.96, 121,619.41 and 47,843.73

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Solution

The fourth proportional to 88,129.96, 121,619.41 and 47,843.73 is: 66,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.96 : 121,619.41 = 47,843.73 : x
  2. Step 2: Convert to fraction form
    88,129.96/121,619.41 = 47,843.73/x
  3. Step 3: Cross multiply
    88,129.96x = 121,619.41 × 47,843.73
  4. Step 4: Simplify right side
    88,129.96x = 5,818,726,095.19
  5. Step 5: Solve for x
    x = 5,818,726,095.19/88,129.96
  6. Step 6: Final answer
    x = 66,024.38

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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.