Home / 85,330.55-127,991.05-26,166.06

Finding the Fourth Proportional to 85,330.55, 127,991.05 and 26,166.06

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Solution

The fourth proportional to 85,330.55, 127,991.05 and 26,166.06 is: 39,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.55 : 127,991.05 = 26,166.06 : x
  2. Step 2: Convert to fraction form
    85,330.55/127,991.05 = 26,166.06/x
  3. Step 3: Cross multiply
    85,330.55x = 127,991.05 × 26,166.06
  4. Step 4: Simplify right side
    85,330.55x = 3,349,021,668.33
  5. Step 5: Solve for x
    x = 3,349,021,668.33/85,330.55
  6. Step 6: Final answer
    x = 39,247.63

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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.