Home / 99,426.21-149,050.91-36,234.47

Finding the Fourth Proportional to 99,426.21, 149,050.91 and 36,234.47

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Solution

The fourth proportional to 99,426.21, 149,050.91 and 36,234.47 is: 54,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.21 : 149,050.91 = 36,234.47 : x
  2. Step 2: Convert to fraction form
    99,426.21/149,050.91 = 36,234.47/x
  3. Step 3: Cross multiply
    99,426.21x = 149,050.91 × 36,234.47
  4. Step 4: Simplify right side
    99,426.21x = 5,400,779,800.44
  5. Step 5: Solve for x
    x = 5,400,779,800.44/99,426.21
  6. Step 6: Final answer
    x = 54,319.48

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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.