Home / 99,455.86-149,191.98-43,297.84

Finding the Fourth Proportional to 99,455.86, 149,191.98 and 43,297.84

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Solution

The fourth proportional to 99,455.86, 149,191.98 and 43,297.84 is: 64,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,455.86 : 149,191.98 = 43,297.84 : x
  2. Step 2: Convert to fraction form
    99,455.86/149,191.98 = 43,297.84/x
  3. Step 3: Cross multiply
    99,455.86x = 149,191.98 × 43,297.84
  4. Step 4: Simplify right side
    99,455.86x = 6,459,690,479.32
  5. Step 5: Solve for x
    x = 6,459,690,479.32/99,455.86
  6. Step 6: Final answer
    x = 64,950.33

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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.