Home / 81,675.02-112,723.74-49,862.42

Finding the Fourth Proportional to 81,675.02, 112,723.74 and 49,862.42

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Solution

The fourth proportional to 81,675.02, 112,723.74 and 49,862.42 is: 68,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.02 : 112,723.74 = 49,862.42 : x
  2. Step 2: Convert to fraction form
    81,675.02/112,723.74 = 49,862.42/x
  3. Step 3: Cross multiply
    81,675.02x = 112,723.74 × 49,862.42
  4. Step 4: Simplify right side
    81,675.02x = 5,620,678,467.85
  5. Step 5: Solve for x
    x = 5,620,678,467.85/81,675.02
  6. Step 6: Final answer
    x = 68,817.60

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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.