Home / 86,716.20-119,667.63-60,911.01

Finding the Fourth Proportional to 86,716.20, 119,667.63 and 60,911.01

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Solution

The fourth proportional to 86,716.20, 119,667.63 and 60,911.01 is: 84,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.20 : 119,667.63 = 60,911.01 : x
  2. Step 2: Convert to fraction form
    86,716.20/119,667.63 = 60,911.01/x
  3. Step 3: Cross multiply
    86,716.20x = 119,667.63 × 60,911.01
  4. Step 4: Simplify right side
    86,716.20x = 7,289,076,207.61
  5. Step 5: Solve for x
    x = 7,289,076,207.61/86,716.20
  6. Step 6: Final answer
    x = 84,056.68

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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.