Home / 97,631.24-146,279.70-53,289.12

Finding the Fourth Proportional to 97,631.24, 146,279.70 and 53,289.12

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Solution

The fourth proportional to 97,631.24, 146,279.70 and 53,289.12 is: 79,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.24 : 146,279.70 = 53,289.12 : x
  2. Step 2: Convert to fraction form
    97,631.24/146,279.70 = 53,289.12/x
  3. Step 3: Cross multiply
    97,631.24x = 146,279.70 × 53,289.12
  4. Step 4: Simplify right side
    97,631.24x = 7,795,116,486.86
  5. Step 5: Solve for x
    x = 7,795,116,486.86/97,631.24
  6. Step 6: Final answer
    x = 79,842.44

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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.