Home / 73,731.48-110,585.06-31,618.36

Finding the Fourth Proportional to 73,731.48, 110,585.06 and 31,618.36

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Solution

The fourth proportional to 73,731.48, 110,585.06 and 31,618.36 is: 47,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,731.48 : 110,585.06 = 31,618.36 : x
  2. Step 2: Convert to fraction form
    73,731.48/110,585.06 = 31,618.36/x
  3. Step 3: Cross multiply
    73,731.48x = 110,585.06 × 31,618.36
  4. Step 4: Simplify right side
    73,731.48x = 3,496,518,237.70
  5. Step 5: Solve for x
    x = 3,496,518,237.70/73,731.48
  6. Step 6: Final answer
    x = 47,422.33

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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.