Home / 81,446.85-122,085.02-34,089.08

Finding the Fourth Proportional to 81,446.85, 122,085.02 and 34,089.08

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Solution

The fourth proportional to 81,446.85, 122,085.02 and 34,089.08 is: 51,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446.85 : 122,085.02 = 34,089.08 : x
  2. Step 2: Convert to fraction form
    81,446.85/122,085.02 = 34,089.08/x
  3. Step 3: Cross multiply
    81,446.85x = 122,085.02 × 34,089.08
  4. Step 4: Simplify right side
    81,446.85x = 4,161,765,488.38
  5. Step 5: Solve for x
    x = 4,161,765,488.38/81,446.85
  6. Step 6: Final answer
    x = 51,097.93

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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.