Home / 86,553.08-119,448.78-48,813.56

Finding the Fourth Proportional to 86,553.08, 119,448.78 and 48,813.56

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Solution

The fourth proportional to 86,553.08, 119,448.78 and 48,813.56 is: 67,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,553.08 : 119,448.78 = 48,813.56 : x
  2. Step 2: Convert to fraction form
    86,553.08/119,448.78 = 48,813.56/x
  3. Step 3: Cross multiply
    86,553.08x = 119,448.78 × 48,813.56
  4. Step 4: Simplify right side
    86,553.08x = 5,830,720,189.46
  5. Step 5: Solve for x
    x = 5,830,720,189.46/86,553.08
  6. Step 6: Final answer
    x = 67,365.83

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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.