Home / 99,543.03-149,314.53-29,416.86

Finding the Fourth Proportional to 99,543.03, 149,314.53 and 29,416.86

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Solution

The fourth proportional to 99,543.03, 149,314.53 and 29,416.86 is: 44,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543.03 : 149,314.53 = 29,416.86 : x
  2. Step 2: Convert to fraction form
    99,543.03/149,314.53 = 29,416.86/x
  3. Step 3: Cross multiply
    99,543.03x = 149,314.53 × 29,416.86
  4. Step 4: Simplify right side
    99,543.03x = 4,392,364,624.98
  5. Step 5: Solve for x
    x = 4,392,364,624.98/99,543.03
  6. Step 6: Final answer
    x = 44,125.29

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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.