Home / 77,293.27-106,611.35-54,371.69

Finding the Fourth Proportional to 77,293.27, 106,611.35 and 54,371.69

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Solution

The fourth proportional to 77,293.27, 106,611.35 and 54,371.69 is: 74,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,293.27 : 106,611.35 = 54,371.69 : x
  2. Step 2: Convert to fraction form
    77,293.27/106,611.35 = 54,371.69/x
  3. Step 3: Cross multiply
    77,293.27x = 106,611.35 × 54,371.69
  4. Step 4: Simplify right side
    77,293.27x = 5,796,639,272.68
  5. Step 5: Solve for x
    x = 5,796,639,272.68/77,293.27
  6. Step 6: Final answer
    x = 74,995.39

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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.