Home / 88,240.40-121,772.96-47,954.80

Finding the Fourth Proportional to 88,240.40, 121,772.96 and 47,954.80

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Solution

The fourth proportional to 88,240.40, 121,772.96 and 47,954.80 is: 66,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,240.40 : 121,772.96 = 47,954.80 : x
  2. Step 2: Convert to fraction form
    88,240.40/121,772.96 = 47,954.80/x
  3. Step 3: Cross multiply
    88,240.40x = 121,772.96 × 47,954.80
  4. Step 4: Simplify right side
    88,240.40x = 5,839,597,942.21
  5. Step 5: Solve for x
    x = 5,839,597,942.21/88,240.40
  6. Step 6: Final answer
    x = 66,178.28

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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.