Home / 97,383.64-145,987.29-38,203.42

Finding the Fourth Proportional to 97,383.64, 145,987.29 and 38,203.42

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Solution

The fourth proportional to 97,383.64, 145,987.29 and 38,203.42 is: 57,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383.64 : 145,987.29 = 38,203.42 : x
  2. Step 2: Convert to fraction form
    97,383.64/145,987.29 = 38,203.42/x
  3. Step 3: Cross multiply
    97,383.64x = 145,987.29 × 38,203.42
  4. Step 4: Simplify right side
    97,383.64x = 5,577,213,389.56
  5. Step 5: Solve for x
    x = 5,577,213,389.56/97,383.64
  6. Step 6: Final answer
    x = 57,270.54

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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.