Home / 84,823.21-127,240.89-25,663.49

Finding the Fourth Proportional to 84,823.21, 127,240.89 and 25,663.49

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Solution

The fourth proportional to 84,823.21, 127,240.89 and 25,663.49 is: 38,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,823.21 : 127,240.89 = 25,663.49 : x
  2. Step 2: Convert to fraction form
    84,823.21/127,240.89 = 25,663.49/x
  3. Step 3: Cross multiply
    84,823.21x = 127,240.89 × 25,663.49
  4. Step 4: Simplify right side
    84,823.21x = 3,265,445,626.21
  5. Step 5: Solve for x
    x = 3,265,445,626.21/84,823.21
  6. Step 6: Final answer
    x = 38,497.08

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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.