Home / 125,977.37-173,848.75-69,388.75

Finding the Fourth Proportional to 125,977.37, 173,848.75 and 69,388.75

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Solution

The fourth proportional to 125,977.37, 173,848.75 and 69,388.75 is: 95,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.37 : 173,848.75 = 69,388.75 : x
  2. Step 2: Convert to fraction form
    125,977.37/173,848.75 = 69,388.75/x
  3. Step 3: Cross multiply
    125,977.37x = 173,848.75 × 69,388.75
  4. Step 4: Simplify right side
    125,977.37x = 12,063,147,451.56
  5. Step 5: Solve for x
    x = 12,063,147,451.56/125,977.37
  6. Step 6: Final answer
    x = 95,756.46

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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.