Home / 48,143.16-72,227.16-20,054.28

Finding the Fourth Proportional to 48,143.16, 72,227.16 and 20,054.28

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Solution

The fourth proportional to 48,143.16, 72,227.16 and 20,054.28 is: 30,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143.16 : 72,227.16 = 20,054.28 : x
  2. Step 2: Convert to fraction form
    48,143.16/72,227.16 = 20,054.28/x
  3. Step 3: Cross multiply
    48,143.16x = 72,227.16 × 20,054.28
  4. Step 4: Simplify right side
    48,143.16x = 1,448,463,690.24
  5. Step 5: Solve for x
    x = 1,448,463,690.24/48,143.16
  6. Step 6: Final answer
    x = 30,086.59

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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.