Home / 99,530.84-149,317.32-32,967.20

Finding the Fourth Proportional to 99,530.84, 149,317.32 and 32,967.20

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Solution

The fourth proportional to 99,530.84, 149,317.32 and 32,967.20 is: 49,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.84 : 149,317.32 = 32,967.20 : x
  2. Step 2: Convert to fraction form
    99,530.84/149,317.32 = 32,967.20/x
  3. Step 3: Cross multiply
    99,530.84x = 149,317.32 × 32,967.20
  4. Step 4: Simplify right side
    99,530.84x = 4,922,573,951.90
  5. Step 5: Solve for x
    x = 4,922,573,951.90/99,530.84
  6. Step 6: Final answer
    x = 49,457.78

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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.