Home / 106,825.43-147,418.16-59,077.75

Finding the Fourth Proportional to 106,825.43, 147,418.16 and 59,077.75

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Solution

The fourth proportional to 106,825.43, 147,418.16 and 59,077.75 is: 81,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,825.43 : 147,418.16 = 59,077.75 : x
  2. Step 2: Convert to fraction form
    106,825.43/147,418.16 = 59,077.75/x
  3. Step 3: Cross multiply
    106,825.43x = 147,418.16 × 59,077.75
  4. Step 4: Simplify right side
    106,825.43x = 8,709,133,201.94
  5. Step 5: Solve for x
    x = 8,709,133,201.94/106,825.43
  6. Step 6: Final answer
    x = 81,526.78

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1.5x scale

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.