Home / 106,720.52-147,277.26-58,976.87

Finding the Fourth Proportional to 106,720.52, 147,277.26 and 58,976.87

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Solution

The fourth proportional to 106,720.52, 147,277.26 and 58,976.87 is: 81,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,720.52 : 147,277.26 = 58,976.87 : x
  2. Step 2: Convert to fraction form
    106,720.52/147,277.26 = 58,976.87/x
  3. Step 3: Cross multiply
    106,720.52x = 147,277.26 × 58,976.87
  4. Step 4: Simplify right side
    106,720.52x = 8,685,951,080.59
  5. Step 5: Solve for x
    x = 8,685,951,080.59/106,720.52
  6. Step 6: Final answer
    x = 81,389.70

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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.