Home / 77,145.95-106,470.24-43,163.04

Finding the Fourth Proportional to 77,145.95, 106,470.24 and 43,163.04

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Solution

The fourth proportional to 77,145.95, 106,470.24 and 43,163.04 is: 59,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,145.95 : 106,470.24 = 43,163.04 : x
  2. Step 2: Convert to fraction form
    77,145.95/106,470.24 = 43,163.04/x
  3. Step 3: Cross multiply
    77,145.95x = 106,470.24 × 43,163.04
  4. Step 4: Simplify right side
    77,145.95x = 4,595,579,227.93
  5. Step 5: Solve for x
    x = 4,595,579,227.93/77,145.95
  6. Step 6: Final answer
    x = 59,569.94

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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.