Home / 97,631.27-146,279.70-53,289.14

Finding the Fourth Proportional to 97,631.27, 146,279.70 and 53,289.14

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Solution

The fourth proportional to 97,631.27, 146,279.70 and 53,289.14 is: 79,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.27 : 146,279.70 = 53,289.14 : x
  2. Step 2: Convert to fraction form
    97,631.27/146,279.70 = 53,289.14/x
  3. Step 3: Cross multiply
    97,631.27x = 146,279.70 × 53,289.14
  4. Step 4: Simplify right side
    97,631.27x = 7,795,119,412.46
  5. Step 5: Solve for x
    x = 7,795,119,412.46/97,631.27
  6. Step 6: Final answer
    x = 79,842.45

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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.