Home / 97,057.85-145,593.05-30,500.75

Finding the Fourth Proportional to 97,057.85, 145,593.05 and 30,500.75

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Solution

The fourth proportional to 97,057.85, 145,593.05 and 30,500.75 is: 45,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,057.85 : 145,593.05 = 30,500.75 : x
  2. Step 2: Convert to fraction form
    97,057.85/145,593.05 = 30,500.75/x
  3. Step 3: Cross multiply
    97,057.85x = 145,593.05 × 30,500.75
  4. Step 4: Simplify right side
    97,057.85x = 4,440,697,431.27
  5. Step 5: Solve for x
    x = 4,440,697,431.27/97,057.85
  6. Step 6: Final answer
    x = 45,753.10

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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.