Home / 97,301.56-145,952.32-75,147.24

Finding the Fourth Proportional to 97,301.56, 145,952.32 and 75,147.24

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Solution

The fourth proportional to 97,301.56, 145,952.32 and 75,147.24 is: 112,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,301.56 : 145,952.32 = 75,147.24 : x
  2. Step 2: Convert to fraction form
    97,301.56/145,952.32 = 75,147.24/x
  3. Step 3: Cross multiply
    97,301.56x = 145,952.32 × 75,147.24
  4. Step 4: Simplify right side
    97,301.56x = 10,967,914,019.60
  5. Step 5: Solve for x
    x = 10,967,914,019.60/97,301.56
  6. Step 6: Final answer
    x = 112,720.84

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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.