Home / 84,868.22-127,308.45-25,708.49

Finding the Fourth Proportional to 84,868.22, 127,308.45 and 25,708.49

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Solution

The fourth proportional to 84,868.22, 127,308.45 and 25,708.49 is: 38,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,868.22 : 127,308.45 = 25,708.49 : x
  2. Step 2: Convert to fraction form
    84,868.22/127,308.45 = 25,708.49/x
  3. Step 3: Cross multiply
    84,868.22x = 127,308.45 × 25,708.49
  4. Step 4: Simplify right side
    84,868.22x = 3,272,908,013.74
  5. Step 5: Solve for x
    x = 3,272,908,013.74/84,868.22
  6. Step 6: Final answer
    x = 38,564.59

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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.