Home / 99,531.67-149,296.58-40,353.28

Finding the Fourth Proportional to 99,531.67, 149,296.58 and 40,353.28

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Solution

The fourth proportional to 99,531.67, 149,296.58 and 40,353.28 is: 60,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.67 : 149,296.58 = 40,353.28 : x
  2. Step 2: Convert to fraction form
    99,531.67/149,296.58 = 40,353.28/x
  3. Step 3: Cross multiply
    99,531.67x = 149,296.58 × 40,353.28
  4. Step 4: Simplify right side
    99,531.67x = 6,024,606,695.78
  5. Step 5: Solve for x
    x = 6,024,606,695.78/99,531.67
  6. Step 6: Final answer
    x = 60,529.54

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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.