Home / 106,146.60-146,483.46-57,748.80

Finding the Fourth Proportional to 106,146.60, 146,483.46 and 57,748.80

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Solution

The fourth proportional to 106,146.60, 146,483.46 and 57,748.80 is: 79,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.60 : 146,483.46 = 57,748.80 : x
  2. Step 2: Convert to fraction form
    106,146.60/146,483.46 = 57,748.80/x
  3. Step 3: Cross multiply
    106,146.60x = 146,483.46 × 57,748.80
  4. Step 4: Simplify right side
    106,146.60x = 8,459,244,034.85
  5. Step 5: Solve for x
    x = 8,459,244,034.85/106,146.60
  6. Step 6: Final answer
    x = 79,693.97

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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.