Home / 106,445.66-146,878.98-61,125.62

Finding the Fourth Proportional to 106,445.66, 146,878.98 and 61,125.62

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Solution

The fourth proportional to 106,445.66, 146,878.98 and 61,125.62 is: 84,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445.66 : 146,878.98 = 61,125.62 : x
  2. Step 2: Convert to fraction form
    106,445.66/146,878.98 = 61,125.62/x
  3. Step 3: Cross multiply
    106,445.66x = 146,878.98 × 61,125.62
  4. Step 4: Simplify right side
    106,445.66x = 8,978,068,717.47
  5. Step 5: Solve for x
    x = 8,978,068,717.47/106,445.66
  6. Step 6: Final answer
    x = 84,344.15

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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.