Home / 106,818.04-147,408.68-61,479.50

Finding the Fourth Proportional to 106,818.04, 147,408.68 and 61,479.50

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Solution

The fourth proportional to 106,818.04, 147,408.68 and 61,479.50 is: 84,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,818.04 : 147,408.68 = 61,479.50 : x
  2. Step 2: Convert to fraction form
    106,818.04/147,408.68 = 61,479.50/x
  3. Step 3: Cross multiply
    106,818.04x = 147,408.68 × 61,479.50
  4. Step 4: Simplify right side
    106,818.04x = 9,062,611,634.66
  5. Step 5: Solve for x
    x = 9,062,611,634.66/106,818.04
  6. Step 6: Final answer
    x = 84,841.59

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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.