Home / 106,778.31-147,351.87-59,030.61

Finding the Fourth Proportional to 106,778.31, 147,351.87 and 59,030.61

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Solution

The fourth proportional to 106,778.31, 147,351.87 and 59,030.61 is: 81,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,778.31 : 147,351.87 = 59,030.61 : x
  2. Step 2: Convert to fraction form
    106,778.31/147,351.87 = 59,030.61/x
  3. Step 3: Cross multiply
    106,778.31x = 147,351.87 × 59,030.61
  4. Step 4: Simplify right side
    106,778.31x = 8,698,270,770.74
  5. Step 5: Solve for x
    x = 8,698,270,770.74/106,778.31
  6. Step 6: Final answer
    x = 81,461.03

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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.