Home / 84,608.13-127,095.30-55,010.73

Finding the Fourth Proportional to 84,608.13, 127,095.30 and 55,010.73

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Solution

The fourth proportional to 84,608.13, 127,095.30 and 55,010.73 is: 82,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,608.13 : 127,095.30 = 55,010.73 : x
  2. Step 2: Convert to fraction form
    84,608.13/127,095.30 = 55,010.73/x
  3. Step 3: Cross multiply
    84,608.13x = 127,095.30 × 55,010.73
  4. Step 4: Simplify right side
    84,608.13x = 6,991,605,232.57
  5. Step 5: Solve for x
    x = 6,991,605,232.57/84,608.13
  6. Step 6: Final answer
    x = 82,635.15

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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.