Home / 106,778.90-147,355.80-59,034.26

Finding the Fourth Proportional to 106,778.90, 147,355.80 and 59,034.26

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Solution

The fourth proportional to 106,778.90, 147,355.80 and 59,034.26 is: 81,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,778.90 : 147,355.80 = 59,034.26 : x
  2. Step 2: Convert to fraction form
    106,778.90/147,355.80 = 59,034.26/x
  3. Step 3: Cross multiply
    106,778.90x = 147,355.80 × 59,034.26
  4. Step 4: Simplify right side
    106,778.90x = 8,699,040,609.71
  5. Step 5: Solve for x
    x = 8,699,040,609.71/106,778.90
  6. Step 6: Final answer
    x = 81,467.79

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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.