Home / 110,539.12-165,759.96-31,635.40

Finding the Fourth Proportional to 110,539.12, 165,759.96 and 31,635.40

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Solution

The fourth proportional to 110,539.12, 165,759.96 and 31,635.40 is: 47,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,539.12 : 165,759.96 = 31,635.40 : x
  2. Step 2: Convert to fraction form
    110,539.12/165,759.96 = 31,635.40/x
  3. Step 3: Cross multiply
    110,539.12x = 165,759.96 × 31,635.40
  4. Step 4: Simplify right side
    110,539.12x = 5,243,882,638.58
  5. Step 5: Solve for x
    x = 5,243,882,638.58/110,539.12
  6. Step 6: Final answer
    x = 47,439.16

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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.