Home / 88,284.65-121,832.22-47,998.42

Finding the Fourth Proportional to 88,284.65, 121,832.22 and 47,998.42

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Solution

The fourth proportional to 88,284.65, 121,832.22 and 47,998.42 is: 66,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,284.65 : 121,832.22 = 47,998.42 : x
  2. Step 2: Convert to fraction form
    88,284.65/121,832.22 = 47,998.42/x
  3. Step 3: Cross multiply
    88,284.65x = 121,832.22 × 47,998.42
  4. Step 4: Simplify right side
    88,284.65x = 5,847,753,215.94
  5. Step 5: Solve for x
    x = 5,847,753,215.94/88,284.65
  6. Step 6: Final answer
    x = 66,237.49

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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.