Home / 76,206.11-105,165.93-45,610.71

Finding the Fourth Proportional to 76,206.11, 105,165.93 and 45,610.71

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Solution

The fourth proportional to 76,206.11, 105,165.93 and 45,610.71 is: 62,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.11 : 105,165.93 = 45,610.71 : x
  2. Step 2: Convert to fraction form
    76,206.11/105,165.93 = 45,610.71/x
  3. Step 3: Cross multiply
    76,206.11x = 105,165.93 × 45,610.71
  4. Step 4: Simplify right side
    76,206.11x = 4,796,692,735.11
  5. Step 5: Solve for x
    x = 4,796,692,735.11/76,206.11
  6. Step 6: Final answer
    x = 62,943.68

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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.