Home / 105,177.27-145,163.34-62,154.93

Finding the Fourth Proportional to 105,177.27, 145,163.34 and 62,154.93

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Solution

The fourth proportional to 105,177.27, 145,163.34 and 62,154.93 is: 85,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,177.27 : 145,163.34 = 62,154.93 : x
  2. Step 2: Convert to fraction form
    105,177.27/145,163.34 = 62,154.93/x
  3. Step 3: Cross multiply
    105,177.27x = 145,163.34 × 62,154.93
  4. Step 4: Simplify right side
    105,177.27x = 9,022,617,236.27
  5. Step 5: Solve for x
    x = 9,022,617,236.27/105,177.27
  6. Step 6: Final answer
    x = 85,784.86

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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.