Home / 97,060.26-145,614.56-77,144.88

Finding the Fourth Proportional to 97,060.26, 145,614.56 and 77,144.88

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Solution

The fourth proportional to 97,060.26, 145,614.56 and 77,144.88 is: 115,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,060.26 : 145,614.56 = 77,144.88 : x
  2. Step 2: Convert to fraction form
    97,060.26/145,614.56 = 77,144.88/x
  3. Step 3: Cross multiply
    97,060.26x = 145,614.56 × 77,144.88
  4. Step 4: Simplify right side
    97,060.26x = 11,233,417,757.45
  5. Step 5: Solve for x
    x = 11,233,417,757.45/97,060.26
  6. Step 6: Final answer
    x = 115,736.53

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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.