Home / 61,768.74-85,246.12-51,679.38

Finding the Fourth Proportional to 61,768.74, 85,246.12 and 51,679.38

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Solution

The fourth proportional to 61,768.74, 85,246.12 and 51,679.38 is: 71,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.74 : 85,246.12 = 51,679.38 : x
  2. Step 2: Convert to fraction form
    61,768.74/85,246.12 = 51,679.38/x
  3. Step 3: Cross multiply
    61,768.74x = 85,246.12 × 51,679.38
  4. Step 4: Simplify right side
    61,768.74x = 4,405,466,629.01
  5. Step 5: Solve for x
    x = 4,405,466,629.01/61,768.74
  6. Step 6: Final answer
    x = 71,321.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.