Home / 86,625.28-119,553.24-52,639.30

Finding the Fourth Proportional to 86,625.28, 119,553.24 and 52,639.30

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Solution

The fourth proportional to 86,625.28, 119,553.24 and 52,639.30 is: 72,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.28 : 119,553.24 = 52,639.30 : x
  2. Step 2: Convert to fraction form
    86,625.28/119,553.24 = 52,639.30/x
  3. Step 3: Cross multiply
    86,625.28x = 119,553.24 × 52,639.30
  4. Step 4: Simplify right side
    86,625.28x = 6,293,198,866.33
  5. Step 5: Solve for x
    x = 6,293,198,866.33/86,625.28
  6. Step 6: Final answer
    x = 72,648.53

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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.