Home / 84,881.18-127,334.97-25,702.76

Finding the Fourth Proportional to 84,881.18, 127,334.97 and 25,702.76

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Solution

The fourth proportional to 84,881.18, 127,334.97 and 25,702.76 is: 38,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,881.18 : 127,334.97 = 25,702.76 : x
  2. Step 2: Convert to fraction form
    84,881.18/127,334.97 = 25,702.76/x
  3. Step 3: Cross multiply
    84,881.18x = 127,334.97 × 25,702.76
  4. Step 4: Simplify right side
    84,881.18x = 3,272,859,536.84
  5. Step 5: Solve for x
    x = 3,272,859,536.84/84,881.18
  6. Step 6: Final answer
    x = 38,558.13

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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.