Home / 91,946.40-137,919.56-29,616.90

Finding the Fourth Proportional to 91,946.40, 137,919.56 and 29,616.90

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Solution

The fourth proportional to 91,946.40, 137,919.56 and 29,616.90 is: 44,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.40 : 137,919.56 = 29,616.90 : x
  2. Step 2: Convert to fraction form
    91,946.40/137,919.56 = 29,616.90/x
  3. Step 3: Cross multiply
    91,946.40x = 137,919.56 × 29,616.90
  4. Step 4: Simplify right side
    91,946.40x = 4,084,749,816.56
  5. Step 5: Solve for x
    x = 4,084,749,816.56/91,946.40
  6. Step 6: Final answer
    x = 44,425.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.