Home / 86,463.88-119,321.98-48,738.12

Finding the Fourth Proportional to 86,463.88, 119,321.98 and 48,738.12

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Solution

The fourth proportional to 86,463.88, 119,321.98 and 48,738.12 is: 67,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.88 : 119,321.98 = 48,738.12 : x
  2. Step 2: Convert to fraction form
    86,463.88/119,321.98 = 48,738.12/x
  3. Step 3: Cross multiply
    86,463.88x = 119,321.98 × 48,738.12
  4. Step 4: Simplify right side
    86,463.88x = 5,815,528,979.88
  5. Step 5: Solve for x
    x = 5,815,528,979.88/86,463.88
  6. Step 6: Final answer
    x = 67,259.63

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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.