Home / 66,917.14-92,318.47-45,659.50

Finding the Fourth Proportional to 66,917.14, 92,318.47 and 45,659.50

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Solution

The fourth proportional to 66,917.14, 92,318.47 and 45,659.50 is: 62,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.14 : 92,318.47 = 45,659.50 : x
  2. Step 2: Convert to fraction form
    66,917.14/92,318.47 = 45,659.50/x
  3. Step 3: Cross multiply
    66,917.14x = 92,318.47 × 45,659.50
  4. Step 4: Simplify right side
    66,917.14x = 4,215,214,836.02
  5. Step 5: Solve for x
    x = 4,215,214,836.02/66,917.14
  6. Step 6: Final answer
    x = 62,991.56

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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.