Home / 86,289.13-119,087.04-50,476.87

Finding the Fourth Proportional to 86,289.13, 119,087.04 and 50,476.87

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Solution

The fourth proportional to 86,289.13, 119,087.04 and 50,476.87 is: 69,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,289.13 : 119,087.04 = 50,476.87 : x
  2. Step 2: Convert to fraction form
    86,289.13/119,087.04 = 50,476.87/x
  3. Step 3: Cross multiply
    86,289.13x = 119,087.04 × 50,476.87
  4. Step 4: Simplify right side
    86,289.13x = 6,011,141,036.76
  5. Step 5: Solve for x
    x = 6,011,141,036.76/86,289.13
  6. Step 6: Final answer
    x = 69,662.78

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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.