Home / 84,938.94-127,409.18-25,774.61

Finding the Fourth Proportional to 84,938.94, 127,409.18 and 25,774.61

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Solution

The fourth proportional to 84,938.94, 127,409.18 and 25,774.61 is: 38,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.94 : 127,409.18 = 25,774.61 : x
  2. Step 2: Convert to fraction form
    84,938.94/127,409.18 = 25,774.61/x
  3. Step 3: Cross multiply
    84,938.94x = 127,409.18 × 25,774.61
  4. Step 4: Simplify right side
    84,938.94x = 3,283,922,119.31
  5. Step 5: Solve for x
    x = 3,283,922,119.31/84,938.94
  6. Step 6: Final answer
    x = 38,662.15

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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.