Home / 88,378.20-121,963.20-48,093.12

Finding the Fourth Proportional to 88,378.20, 121,963.20 and 48,093.12

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Solution

The fourth proportional to 88,378.20, 121,963.20 and 48,093.12 is: 66,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,378.20 : 121,963.20 = 48,093.12 : x
  2. Step 2: Convert to fraction form
    88,378.20/121,963.20 = 48,093.12/x
  3. Step 3: Cross multiply
    88,378.20x = 121,963.20 × 48,093.12
  4. Step 4: Simplify right side
    88,378.20x = 5,865,590,813.18
  5. Step 5: Solve for x
    x = 5,865,590,813.18/88,378.20
  6. Step 6: Final answer
    x = 66,369.20

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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.