Home / 84,638.08-126,959.73-25,474.18

Finding the Fourth Proportional to 84,638.08, 126,959.73 and 25,474.18

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Solution

The fourth proportional to 84,638.08, 126,959.73 and 25,474.18 is: 38,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.08 : 126,959.73 = 25,474.18 : x
  2. Step 2: Convert to fraction form
    84,638.08/126,959.73 = 25,474.18/x
  3. Step 3: Cross multiply
    84,638.08x = 126,959.73 × 25,474.18
  4. Step 4: Simplify right side
    84,638.08x = 3,234,195,014.77
  5. Step 5: Solve for x
    x = 3,234,195,014.77/84,638.08
  6. Step 6: Final answer
    x = 38,212.06

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1.5x scale

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.