Home / 74,745.65-112,116.05-30,359.27

Finding the Fourth Proportional to 74,745.65, 112,116.05 and 30,359.27

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Solution

The fourth proportional to 74,745.65, 112,116.05 and 30,359.27 is: 45,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745.65 : 112,116.05 = 30,359.27 : x
  2. Step 2: Convert to fraction form
    74,745.65/112,116.05 = 30,359.27/x
  3. Step 3: Cross multiply
    74,745.65x = 112,116.05 × 30,359.27
  4. Step 4: Simplify right side
    74,745.65x = 3,403,761,281.49
  5. Step 5: Solve for x
    x = 3,403,761,281.49/74,745.65
  6. Step 6: Final answer
    x = 45,537.92

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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.