Home / 99,518.04-149,167.58-43,292.70

Finding the Fourth Proportional to 99,518.04, 149,167.58 and 43,292.70

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Solution

The fourth proportional to 99,518.04, 149,167.58 and 43,292.70 is: 64,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,518.04 : 149,167.58 = 43,292.70 : x
  2. Step 2: Convert to fraction form
    99,518.04/149,167.58 = 43,292.70/x
  3. Step 3: Cross multiply
    99,518.04x = 149,167.58 × 43,292.70
  4. Step 4: Simplify right side
    99,518.04x = 6,457,867,074.20
  5. Step 5: Solve for x
    x = 6,457,867,074.20/99,518.04
  6. Step 6: Final answer
    x = 64,891.42

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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.