Home / 86,645.43-119,557.22-48,918.87

Finding the Fourth Proportional to 86,645.43, 119,557.22 and 48,918.87

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Solution

The fourth proportional to 86,645.43, 119,557.22 and 48,918.87 is: 67,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645.43 : 119,557.22 = 48,918.87 : x
  2. Step 2: Convert to fraction form
    86,645.43/119,557.22 = 48,918.87/x
  3. Step 3: Cross multiply
    86,645.43x = 119,557.22 × 48,918.87
  4. Step 4: Simplify right side
    86,645.43x = 5,848,603,858.15
  5. Step 5: Solve for x
    x = 5,848,603,858.15/86,645.43
  6. Step 6: Final answer
    x = 67,500.43

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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.