Home / 106,815.96-147,406.98-59,072.52

Finding the Fourth Proportional to 106,815.96, 147,406.98 and 59,072.52

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Solution

The fourth proportional to 106,815.96, 147,406.98 and 59,072.52 is: 81,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.96 : 147,406.98 = 59,072.52 : x
  2. Step 2: Convert to fraction form
    106,815.96/147,406.98 = 59,072.52/x
  3. Step 3: Cross multiply
    106,815.96x = 147,406.98 × 59,072.52
  4. Step 4: Simplify right side
    106,815.96x = 8,707,701,774.19
  5. Step 5: Solve for x
    x = 8,707,701,774.19/106,815.96
  6. Step 6: Final answer
    x = 81,520.61

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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.