Home / 85,081.06-127,621.58-22,749.94

Finding the Fourth Proportional to 85,081.06, 127,621.58 and 22,749.94

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Solution

The fourth proportional to 85,081.06, 127,621.58 and 22,749.94 is: 34,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,081.06 : 127,621.58 = 22,749.94 : x
  2. Step 2: Convert to fraction form
    85,081.06/127,621.58 = 22,749.94/x
  3. Step 3: Cross multiply
    85,081.06x = 127,621.58 × 22,749.94
  4. Step 4: Simplify right side
    85,081.06x = 2,903,383,287.71
  5. Step 5: Solve for x
    x = 2,903,383,287.71/85,081.06
  6. Step 6: Final answer
    x = 34,124.91

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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.