Home / 115,972.20-174,015.90-45,853.80

Finding the Fourth Proportional to 115,972.20, 174,015.90 and 45,853.80

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Solution

The fourth proportional to 115,972.20, 174,015.90 and 45,853.80 is: 68,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.20 : 174,015.90 = 45,853.80 : x
  2. Step 2: Convert to fraction form
    115,972.20/174,015.90 = 45,853.80/x
  3. Step 3: Cross multiply
    115,972.20x = 174,015.90 × 45,853.80
  4. Step 4: Simplify right side
    115,972.20x = 7,979,290,275.42
  5. Step 5: Solve for x
    x = 7,979,290,275.42/115,972.20
  6. Step 6: Final answer
    x = 68,803.47

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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.