Home / 77,140.73-115,688.41-32,767.13

Finding the Fourth Proportional to 77,140.73, 115,688.41 and 32,767.13

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Solution

The fourth proportional to 77,140.73, 115,688.41 and 32,767.13 is: 49,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,140.73 : 115,688.41 = 32,767.13 : x
  2. Step 2: Convert to fraction form
    77,140.73/115,688.41 = 32,767.13/x
  3. Step 3: Cross multiply
    77,140.73x = 115,688.41 × 32,767.13
  4. Step 4: Simplify right side
    77,140.73x = 3,790,776,509.60
  5. Step 5: Solve for x
    x = 3,790,776,509.60/77,140.73
  6. Step 6: Final answer
    x = 49,141.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.