Home / 106,863.31-147,475.70-59,115.83

Finding the Fourth Proportional to 106,863.31, 147,475.70 and 59,115.83

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Solution

The fourth proportional to 106,863.31, 147,475.70 and 59,115.83 is: 81,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,863.31 : 147,475.70 = 59,115.83 : x
  2. Step 2: Convert to fraction form
    106,863.31/147,475.70 = 59,115.83/x
  3. Step 3: Cross multiply
    106,863.31x = 147,475.70 × 59,115.83
  4. Step 4: Simplify right side
    106,863.31x = 8,718,148,558.12
  5. Step 5: Solve for x
    x = 8,718,148,558.12/106,863.31
  6. Step 6: Final answer
    x = 81,582.25

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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.