Home / 88,247.87-121,782.86-47,961.73

Finding the Fourth Proportional to 88,247.87, 121,782.86 and 47,961.73

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Solution

The fourth proportional to 88,247.87, 121,782.86 and 47,961.73 is: 66,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.87 : 121,782.86 = 47,961.73 : x
  2. Step 2: Convert to fraction form
    88,247.87/121,782.86 = 47,961.73/x
  3. Step 3: Cross multiply
    88,247.87x = 121,782.86 × 47,961.73
  4. Step 4: Simplify right side
    88,247.87x = 5,840,916,649.95
  5. Step 5: Solve for x
    x = 5,840,916,649.95/88,247.87
  6. Step 6: Final answer
    x = 66,187.62

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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.