Home / 121,409.59-182,131.05-41,426.11

Finding the Fourth Proportional to 121,409.59, 182,131.05 and 41,426.11

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Solution

The fourth proportional to 121,409.59, 182,131.05 and 41,426.11 is: 62,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,409.59 : 182,131.05 = 41,426.11 : x
  2. Step 2: Convert to fraction form
    121,409.59/182,131.05 = 41,426.11/x
  3. Step 3: Cross multiply
    121,409.59x = 182,131.05 × 41,426.11
  4. Step 4: Simplify right side
    121,409.59x = 7,544,980,911.72
  5. Step 5: Solve for x
    x = 7,544,980,911.72/121,409.59
  6. Step 6: Final answer
    x = 62,144.85

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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.