Home / 125,067.76-172,744.98-91,022.26

Finding the Fourth Proportional to 125,067.76, 172,744.98 and 91,022.26

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Solution

The fourth proportional to 125,067.76, 172,744.98 and 91,022.26 is: 125,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,067.76 : 172,744.98 = 91,022.26 : x
  2. Step 2: Convert to fraction form
    125,067.76/172,744.98 = 91,022.26/x
  3. Step 3: Cross multiply
    125,067.76x = 172,744.98 × 91,022.26
  4. Step 4: Simplify right side
    125,067.76x = 15,723,638,483.25
  5. Step 5: Solve for x
    x = 15,723,638,483.25/125,067.76
  6. Step 6: Final answer
    x = 125,720.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.