Home / 86,928.12-119,957.76-49,201.56

Finding the Fourth Proportional to 86,928.12, 119,957.76 and 49,201.56

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Solution

The fourth proportional to 86,928.12, 119,957.76 and 49,201.56 is: 67,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,928.12 : 119,957.76 = 49,201.56 : x
  2. Step 2: Convert to fraction form
    86,928.12/119,957.76 = 49,201.56/x
  3. Step 3: Cross multiply
    86,928.12x = 119,957.76 × 49,201.56
  4. Step 4: Simplify right side
    86,928.12x = 5,902,108,926.11
  5. Step 5: Solve for x
    x = 5,902,108,926.11/86,928.12
  6. Step 6: Final answer
    x = 67,896.43

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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.