Home / 110,643.10-165,989.33-31,751.18

Finding the Fourth Proportional to 110,643.10, 165,989.33 and 31,751.18

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Solution

The fourth proportional to 110,643.10, 165,989.33 and 31,751.18 is: 47,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,643.10 : 165,989.33 = 31,751.18 : x
  2. Step 2: Convert to fraction form
    110,643.10/165,989.33 = 31,751.18/x
  3. Step 3: Cross multiply
    110,643.10x = 165,989.33 × 31,751.18
  4. Step 4: Simplify right side
    110,643.10x = 5,270,357,094.91
  5. Step 5: Solve for x
    x = 5,270,357,094.91/110,643.10
  6. Step 6: Final answer
    x = 47,633.85

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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.