Home / 97,721.60-146,516.70-38,526.80

Finding the Fourth Proportional to 97,721.60, 146,516.70 and 38,526.80

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Solution

The fourth proportional to 97,721.60, 146,516.70 and 38,526.80 is: 57,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.60 : 146,516.70 = 38,526.80 : x
  2. Step 2: Convert to fraction form
    97,721.60/146,516.70 = 38,526.80/x
  3. Step 3: Cross multiply
    97,721.60x = 146,516.70 × 38,526.80
  4. Step 4: Simplify right side
    97,721.60x = 5,644,819,597.56
  5. Step 5: Solve for x
    x = 5,644,819,597.56/97,721.60
  6. Step 6: Final answer
    x = 57,764.30

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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.