Home / 61,188.57-91,634.66-31,123.71

Finding the Fourth Proportional to 61,188.57, 91,634.66 and 31,123.71

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Solution

The fourth proportional to 61,188.57, 91,634.66 and 31,123.71 is: 46,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188.57 : 91,634.66 = 31,123.71 : x
  2. Step 2: Convert to fraction form
    61,188.57/91,634.66 = 31,123.71/x
  3. Step 3: Cross multiply
    61,188.57x = 91,634.66 × 31,123.71
  4. Step 4: Simplify right side
    61,188.57x = 2,852,010,428.17
  5. Step 5: Solve for x
    x = 2,852,010,428.17/61,188.57
  6. Step 6: Final answer
    x = 46,610.18

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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.