Home / 69,984.09-104,466.87-61,126.74

Finding the Fourth Proportional to 69,984.09, 104,466.87 and 61,126.74

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Solution

The fourth proportional to 69,984.09, 104,466.87 and 61,126.74 is: 91,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.09 : 104,466.87 = 61,126.74 : x
  2. Step 2: Convert to fraction form
    69,984.09/104,466.87 = 61,126.74/x
  3. Step 3: Cross multiply
    69,984.09x = 104,466.87 × 61,126.74
  4. Step 4: Simplify right side
    69,984.09x = 6,385,719,201.10
  5. Step 5: Solve for x
    x = 6,385,719,201.10/69,984.09
  6. Step 6: Final answer
    x = 91,245.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.