Home / 88,282.46-121,832.15-47,998.94

Finding the Fourth Proportional to 88,282.46, 121,832.15 and 47,998.94

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Solution

The fourth proportional to 88,282.46, 121,832.15 and 47,998.94 is: 66,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,282.46 : 121,832.15 = 47,998.94 : x
  2. Step 2: Convert to fraction form
    88,282.46/121,832.15 = 47,998.94/x
  3. Step 3: Cross multiply
    88,282.46x = 121,832.15 × 47,998.94
  4. Step 4: Simplify right side
    88,282.46x = 5,847,813,817.93
  5. Step 5: Solve for x
    x = 5,847,813,817.93/88,282.46
  6. Step 6: Final answer
    x = 66,239.81

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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.