Home / 110,322.89-165,490.48-31,430.96

Finding the Fourth Proportional to 110,322.89, 165,490.48 and 31,430.96

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Solution

The fourth proportional to 110,322.89, 165,490.48 and 31,430.96 is: 47,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,322.89 : 165,490.48 = 31,430.96 : x
  2. Step 2: Convert to fraction form
    110,322.89/165,490.48 = 31,430.96/x
  3. Step 3: Cross multiply
    110,322.89x = 165,490.48 × 31,430.96
  4. Step 4: Simplify right side
    110,322.89x = 5,201,524,992.41
  5. Step 5: Solve for x
    x = 5,201,524,992.41/110,322.89
  6. Step 6: Final answer
    x = 47,148.20

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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.