Home / 106,434.61-146,905.38-63,984.94

Finding the Fourth Proportional to 106,434.61, 146,905.38 and 63,984.94

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Solution

The fourth proportional to 106,434.61, 146,905.38 and 63,984.94 is: 88,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.61 : 146,905.38 = 63,984.94 : x
  2. Step 2: Convert to fraction form
    106,434.61/146,905.38 = 63,984.94/x
  3. Step 3: Cross multiply
    106,434.61x = 146,905.38 × 63,984.94
  4. Step 4: Simplify right side
    106,434.61x = 9,399,731,557.71
  5. Step 5: Solve for x
    x = 9,399,731,557.71/106,434.61
  6. Step 6: Final answer
    x = 88,314.62

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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.