Home / 61,151.55-91,902.28-30,008.67

Finding the Fourth Proportional to 61,151.55, 91,902.28 and 30,008.67

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Solution

The fourth proportional to 61,151.55, 91,902.28 and 30,008.67 is: 45,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,151.55 : 91,902.28 = 30,008.67 : x
  2. Step 2: Convert to fraction form
    61,151.55/91,902.28 = 30,008.67/x
  3. Step 3: Cross multiply
    61,151.55x = 91,902.28 × 30,008.67
  4. Step 4: Simplify right side
    61,151.55x = 2,757,864,885.64
  5. Step 5: Solve for x
    x = 2,757,864,885.64/61,151.55
  6. Step 6: Final answer
    x = 45,098.86

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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.