Home / 79,531.10-119,293.53-26,940.58

Finding the Fourth Proportional to 79,531.10, 119,293.53 and 26,940.58

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Solution

The fourth proportional to 79,531.10, 119,293.53 and 26,940.58 is: 40,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531.10 : 119,293.53 = 26,940.58 : x
  2. Step 2: Convert to fraction form
    79,531.10/119,293.53 = 26,940.58/x
  3. Step 3: Cross multiply
    79,531.10x = 119,293.53 × 26,940.58
  4. Step 4: Simplify right side
    79,531.10x = 3,213,836,888.45
  5. Step 5: Solve for x
    x = 3,213,836,888.45/79,531.10
  6. Step 6: Final answer
    x = 40,409.81

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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.