Home / 61,739.30-92,599.31-19,613.86

Finding the Fourth Proportional to 61,739.30, 92,599.31 and 19,613.86

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Solution

The fourth proportional to 61,739.30, 92,599.31 and 19,613.86 is: 29,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.30 : 92,599.31 = 19,613.86 : x
  2. Step 2: Convert to fraction form
    61,739.30/92,599.31 = 19,613.86/x
  3. Step 3: Cross multiply
    61,739.30x = 92,599.31 × 19,613.86
  4. Step 4: Simplify right side
    61,739.30x = 1,816,229,719.97
  5. Step 5: Solve for x
    x = 1,816,229,719.97/61,739.30
  6. Step 6: Final answer
    x = 29,417.72

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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.