Home / 84,970.10-127,446.87-25,806.26

Finding the Fourth Proportional to 84,970.10, 127,446.87 and 25,806.26

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Solution

The fourth proportional to 84,970.10, 127,446.87 and 25,806.26 is: 38,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,970.10 : 127,446.87 = 25,806.26 : x
  2. Step 2: Convert to fraction form
    84,970.10/127,446.87 = 25,806.26/x
  3. Step 3: Cross multiply
    84,970.10x = 127,446.87 × 25,806.26
  4. Step 4: Simplify right side
    84,970.10x = 3,288,927,063.41
  5. Step 5: Solve for x
    x = 3,288,927,063.41/84,970.10
  6. Step 6: Final answer
    x = 38,706.88

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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.