Home / 86,827.68-119,824.64-49,101.12

Finding the Fourth Proportional to 86,827.68, 119,824.64 and 49,101.12

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Solution

The fourth proportional to 86,827.68, 119,824.64 and 49,101.12 is: 67,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.68 : 119,824.64 = 49,101.12 : x
  2. Step 2: Convert to fraction form
    86,827.68/119,824.64 = 49,101.12/x
  3. Step 3: Cross multiply
    86,827.68x = 119,824.64 × 49,101.12
  4. Step 4: Simplify right side
    86,827.68x = 5,883,524,027.60
  5. Step 5: Solve for x
    x = 5,883,524,027.60/86,827.68
  6. Step 6: Final answer
    x = 67,760.93

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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.