Home / 97,173.07-145,697.20-40,997.81

Finding the Fourth Proportional to 97,173.07, 145,697.20 and 40,997.81

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Solution

The fourth proportional to 97,173.07, 145,697.20 and 40,997.81 is: 61,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,173.07 : 145,697.20 = 40,997.81 : x
  2. Step 2: Convert to fraction form
    97,173.07/145,697.20 = 40,997.81/x
  3. Step 3: Cross multiply
    97,173.07x = 145,697.20 × 40,997.81
  4. Step 4: Simplify right side
    97,173.07x = 5,973,266,384.88
  5. Step 5: Solve for x
    x = 5,973,266,384.88/97,173.07
  6. Step 6: Final answer
    x = 61,470.39

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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.