Home / 86,710.05-119,659.46-48,469.59

Finding the Fourth Proportional to 86,710.05, 119,659.46 and 48,469.59

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Solution

The fourth proportional to 86,710.05, 119,659.46 and 48,469.59 is: 66,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.05 : 119,659.46 = 48,469.59 : x
  2. Step 2: Convert to fraction form
    86,710.05/119,659.46 = 48,469.59/x
  3. Step 3: Cross multiply
    86,710.05x = 119,659.46 × 48,469.59
  4. Step 4: Simplify right side
    86,710.05x = 5,799,844,723.47
  5. Step 5: Solve for x
    x = 5,799,844,723.47/86,710.05
  6. Step 6: Final answer
    x = 66,887.80

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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.