Home / 100,423.04-150,492.96-55,464.66

Finding the Fourth Proportional to 100,423.04, 150,492.96 and 55,464.66

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Solution

The fourth proportional to 100,423.04, 150,492.96 and 55,464.66 is: 83,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,423.04 : 150,492.96 = 55,464.66 : x
  2. Step 2: Convert to fraction form
    100,423.04/150,492.96 = 55,464.66/x
  3. Step 3: Cross multiply
    100,423.04x = 150,492.96 × 55,464.66
  4. Step 4: Simplify right side
    100,423.04x = 8,347,040,858.79
  5. Step 5: Solve for x
    x = 8,347,040,858.79/100,423.04
  6. Step 6: Final answer
    x = 83,118.79

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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.