Home / 125,611.48-173,342.55-69,021.64

Finding the Fourth Proportional to 125,611.48, 173,342.55 and 69,021.64

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Solution

The fourth proportional to 125,611.48, 173,342.55 and 69,021.64 is: 95,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,611.48 : 173,342.55 = 69,021.64 : x
  2. Step 2: Convert to fraction form
    125,611.48/173,342.55 = 69,021.64/x
  3. Step 3: Cross multiply
    125,611.48x = 173,342.55 × 69,021.64
  4. Step 4: Simplify right side
    125,611.48x = 11,964,387,082.78
  5. Step 5: Solve for x
    x = 11,964,387,082.78/125,611.48
  6. Step 6: Final answer
    x = 95,249.15

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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.