Home / 104,739.68-157,107.40-25,854.59

Finding the Fourth Proportional to 104,739.68, 157,107.40 and 25,854.59

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Solution

The fourth proportional to 104,739.68, 157,107.40 and 25,854.59 is: 38,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.68 : 157,107.40 = 25,854.59 : x
  2. Step 2: Convert to fraction form
    104,739.68/157,107.40 = 25,854.59/x
  3. Step 3: Cross multiply
    104,739.68x = 157,107.40 × 25,854.59
  4. Step 4: Simplify right side
    104,739.68x = 4,061,947,741.10
  5. Step 5: Solve for x
    x = 4,061,947,741.10/104,739.68
  6. Step 6: Final answer
    x = 38,781.36

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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.