Home / 97,693.20-146,588.40-38,530.80

Finding the Fourth Proportional to 97,693.20, 146,588.40 and 38,530.80

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Solution

The fourth proportional to 97,693.20, 146,588.40 and 38,530.80 is: 57,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,693.20 : 146,588.40 = 38,530.80 : x
  2. Step 2: Convert to fraction form
    97,693.20/146,588.40 = 38,530.80/x
  3. Step 3: Cross multiply
    97,693.20x = 146,588.40 × 38,530.80
  4. Step 4: Simplify right side
    97,693.20x = 5,648,168,322.72
  5. Step 5: Solve for x
    x = 5,648,168,322.72/97,693.20
  6. Step 6: Final answer
    x = 57,815.37

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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.