Home / 86,725.94-119,684.13-48,999.38

Finding the Fourth Proportional to 86,725.94, 119,684.13 and 48,999.38

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Solution

The fourth proportional to 86,725.94, 119,684.13 and 48,999.38 is: 67,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,725.94 : 119,684.13 = 48,999.38 : x
  2. Step 2: Convert to fraction form
    86,725.94/119,684.13 = 48,999.38/x
  3. Step 3: Cross multiply
    86,725.94x = 119,684.13 × 48,999.38
  4. Step 4: Simplify right side
    86,725.94x = 5,864,448,165.84
  5. Step 5: Solve for x
    x = 5,864,448,165.84/86,725.94
  6. Step 6: Final answer
    x = 67,620.46

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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.