Home / 101,536.27-140,115.49-56,211.06

Finding the Fourth Proportional to 101,536.27, 140,115.49 and 56,211.06

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Solution

The fourth proportional to 101,536.27, 140,115.49 and 56,211.06 is: 77,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,536.27 : 140,115.49 = 56,211.06 : x
  2. Step 2: Convert to fraction form
    101,536.27/140,115.49 = 56,211.06/x
  3. Step 3: Cross multiply
    101,536.27x = 140,115.49 × 56,211.06
  4. Step 4: Simplify right side
    101,536.27x = 7,876,040,215.32
  5. Step 5: Solve for x
    x = 7,876,040,215.32/101,536.27
  6. Step 6: Final answer
    x = 77,568.74

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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.