Home / 84,637.20-126,914.76-25,461.84

Finding the Fourth Proportional to 84,637.20, 126,914.76 and 25,461.84

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Solution

The fourth proportional to 84,637.20, 126,914.76 and 25,461.84 is: 38,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.20 : 126,914.76 = 25,461.84 : x
  2. Step 2: Convert to fraction form
    84,637.20/126,914.76 = 25,461.84/x
  3. Step 3: Cross multiply
    84,637.20x = 126,914.76 × 25,461.84
  4. Step 4: Simplify right side
    84,637.20x = 3,231,483,312.76
  5. Step 5: Solve for x
    x = 3,231,483,312.76/84,637.20
  6. Step 6: Final answer
    x = 38,180.41

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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.