Home / 48,642.94-67,121.28-27,127.64

Finding the Fourth Proportional to 48,642.94, 67,121.28 and 27,127.64

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Solution

The fourth proportional to 48,642.94, 67,121.28 and 27,127.64 is: 37,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.94 : 67,121.28 = 27,127.64 : x
  2. Step 2: Convert to fraction form
    48,642.94/67,121.28 = 27,127.64/x
  3. Step 3: Cross multiply
    48,642.94x = 67,121.28 × 27,127.64
  4. Step 4: Simplify right side
    48,642.94x = 1,820,841,920.18
  5. Step 5: Solve for x
    x = 1,820,841,920.18/48,642.94
  6. Step 6: Final answer
    x = 37,432.81

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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.