Home / 106,434.05-146,878.83-58,687.47

Finding the Fourth Proportional to 106,434.05, 146,878.83 and 58,687.47

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Solution

The fourth proportional to 106,434.05, 146,878.83 and 58,687.47 is: 80,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.05 : 146,878.83 = 58,687.47 : x
  2. Step 2: Convert to fraction form
    106,434.05/146,878.83 = 58,687.47/x
  3. Step 3: Cross multiply
    106,434.05x = 146,878.83 × 58,687.47
  4. Step 4: Simplify right side
    106,434.05x = 8,619,946,929.26
  5. Step 5: Solve for x
    x = 8,619,946,929.26/106,434.05
  6. Step 6: Final answer
    x = 80,988.62

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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.