Home / 68,559.77-102,852.53-31,122.47

Finding the Fourth Proportional to 68,559.77, 102,852.53 and 31,122.47

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Solution

The fourth proportional to 68,559.77, 102,852.53 and 31,122.47 is: 46,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,559.77 : 102,852.53 = 31,122.47 : x
  2. Step 2: Convert to fraction form
    68,559.77/102,852.53 = 31,122.47/x
  3. Step 3: Cross multiply
    68,559.77x = 102,852.53 × 31,122.47
  4. Step 4: Simplify right side
    68,559.77x = 3,201,025,114.29
  5. Step 5: Solve for x
    x = 3,201,025,114.29/68,559.77
  6. Step 6: Final answer
    x = 46,689.55

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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.