Home / 56,991.66-85,462.39-30,331.22

Finding the Fourth Proportional to 56,991.66, 85,462.39 and 30,331.22

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Solution

The fourth proportional to 56,991.66, 85,462.39 and 30,331.22 is: 45,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,991.66 : 85,462.39 = 30,331.22 : x
  2. Step 2: Convert to fraction form
    56,991.66/85,462.39 = 30,331.22/x
  3. Step 3: Cross multiply
    56,991.66x = 85,462.39 × 30,331.22
  4. Step 4: Simplify right side
    56,991.66x = 2,592,178,552.82
  5. Step 5: Solve for x
    x = 2,592,178,552.82/56,991.66
  6. Step 6: Final answer
    x = 45,483.47

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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.