Home / 56,866.77-78,475.91-31,374.75

Finding the Fourth Proportional to 56,866.77, 78,475.91 and 31,374.75

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Solution

The fourth proportional to 56,866.77, 78,475.91 and 31,374.75 is: 43,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.77 : 78,475.91 = 31,374.75 : x
  2. Step 2: Convert to fraction form
    56,866.77/78,475.91 = 31,374.75/x
  3. Step 3: Cross multiply
    56,866.77x = 78,475.91 × 31,374.75
  4. Step 4: Simplify right side
    56,866.77x = 2,462,162,057.27
  5. Step 5: Solve for x
    x = 2,462,162,057.27/56,866.77
  6. Step 6: Final answer
    x = 43,297.03

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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.