Home / 125,777.10-173,575.09-69,188.48

Finding the Fourth Proportional to 125,777.10, 173,575.09 and 69,188.48

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Solution

The fourth proportional to 125,777.10, 173,575.09 and 69,188.48 is: 95,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,777.10 : 173,575.09 = 69,188.48 : x
  2. Step 2: Convert to fraction form
    125,777.10/173,575.09 = 69,188.48/x
  3. Step 3: Cross multiply
    125,777.10x = 173,575.09 × 69,188.48
  4. Step 4: Simplify right side
    125,777.10x = 12,009,395,429.15
  5. Step 5: Solve for x
    x = 12,009,395,429.15/125,777.10
  6. Step 6: Final answer
    x = 95,481.57

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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.