Home / 97,815.36-146,732.76-35,490.72

Finding the Fourth Proportional to 97,815.36, 146,732.76 and 35,490.72

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Solution

The fourth proportional to 97,815.36, 146,732.76 and 35,490.72 is: 53,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.36 : 146,732.76 = 35,490.72 : x
  2. Step 2: Convert to fraction form
    97,815.36/146,732.76 = 35,490.72/x
  3. Step 3: Cross multiply
    97,815.36x = 146,732.76 × 35,490.72
  4. Step 4: Simplify right side
    97,815.36x = 5,207,651,299.99
  5. Step 5: Solve for x
    x = 5,207,651,299.99/97,815.36
  6. Step 6: Final answer
    x = 53,239.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.