Home / 56,166.11-77,540.36-38,287.38

Finding the Fourth Proportional to 56,166.11, 77,540.36 and 38,287.38

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Solution

The fourth proportional to 56,166.11, 77,540.36 and 38,287.38 is: 52,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.11 : 77,540.36 = 38,287.38 : x
  2. Step 2: Convert to fraction form
    56,166.11/77,540.36 = 38,287.38/x
  3. Step 3: Cross multiply
    56,166.11x = 77,540.36 × 38,287.38
  4. Step 4: Simplify right side
    56,166.11x = 2,968,817,037.22
  5. Step 5: Solve for x
    x = 2,968,817,037.22/56,166.11
  6. Step 6: Final answer
    x = 52,857.81

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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.