Home / 81,701.46-122,526.27-26,284.50

Finding the Fourth Proportional to 81,701.46, 122,526.27 and 26,284.50

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Solution

The fourth proportional to 81,701.46, 122,526.27 and 26,284.50 is: 39,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,701.46 : 122,526.27 = 26,284.50 : x
  2. Step 2: Convert to fraction form
    81,701.46/122,526.27 = 26,284.50/x
  3. Step 3: Cross multiply
    81,701.46x = 122,526.27 × 26,284.50
  4. Step 4: Simplify right side
    81,701.46x = 3,220,541,743.82
  5. Step 5: Solve for x
    x = 3,220,541,743.82/81,701.46
  6. Step 6: Final answer
    x = 39,418.41

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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.