Home / 56,497.04-77,970.92-31,351.44

Finding the Fourth Proportional to 56,497.04, 77,970.92 and 31,351.44

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Solution

The fourth proportional to 56,497.04, 77,970.92 and 31,351.44 is: 43,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,497.04 : 77,970.92 = 31,351.44 : x
  2. Step 2: Convert to fraction form
    56,497.04/77,970.92 = 31,351.44/x
  3. Step 3: Cross multiply
    56,497.04x = 77,970.92 × 31,351.44
  4. Step 4: Simplify right side
    56,497.04x = 2,444,500,620.12
  5. Step 5: Solve for x
    x = 2,444,500,620.12/56,497.04
  6. Step 6: Final answer
    x = 43,267.76

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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.