Home / 88,315.79-121,832.96-52,480.44

Finding the Fourth Proportional to 88,315.79, 121,832.96 and 52,480.44

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Solution

The fourth proportional to 88,315.79, 121,832.96 and 52,480.44 is: 72,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.79 : 121,832.96 = 52,480.44 : x
  2. Step 2: Convert to fraction form
    88,315.79/121,832.96 = 52,480.44/x
  3. Step 3: Cross multiply
    88,315.79x = 121,832.96 × 52,480.44
  4. Step 4: Simplify right side
    88,315.79x = 6,393,847,084.90
  5. Step 5: Solve for x
    x = 6,393,847,084.90/88,315.79
  6. Step 6: Final answer
    x = 72,397.56

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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.