Home / 85,081.05-127,621.59-22,749.93

Finding the Fourth Proportional to 85,081.05, 127,621.59 and 22,749.93

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Solution

The fourth proportional to 85,081.05, 127,621.59 and 22,749.93 is: 34,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,081.05 : 127,621.59 = 22,749.93 : x
  2. Step 2: Convert to fraction form
    85,081.05/127,621.59 = 22,749.93/x
  3. Step 3: Cross multiply
    85,081.05x = 127,621.59 × 22,749.93
  4. Step 4: Simplify right side
    85,081.05x = 2,903,382,238.99
  5. Step 5: Solve for x
    x = 2,903,382,238.99/85,081.05
  6. Step 6: Final answer
    x = 34,124.90

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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.