Home / 88,396.66-121,990.38-48,111.88

Finding the Fourth Proportional to 88,396.66, 121,990.38 and 48,111.88

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Solution

The fourth proportional to 88,396.66, 121,990.38 and 48,111.88 is: 66,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,396.66 : 121,990.38 = 48,111.88 : x
  2. Step 2: Convert to fraction form
    88,396.66/121,990.38 = 48,111.88/x
  3. Step 3: Cross multiply
    88,396.66x = 121,990.38 × 48,111.88
  4. Step 4: Simplify right side
    88,396.66x = 5,869,186,523.71
  5. Step 5: Solve for x
    x = 5,869,186,523.71/88,396.66
  6. Step 6: Final answer
    x = 66,396.02

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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.