Home / 86,079.29-129,126.36-23,749.79

Finding the Fourth Proportional to 86,079.29, 129,126.36 and 23,749.79

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Solution

The fourth proportional to 86,079.29, 129,126.36 and 23,749.79 is: 35,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,079.29 : 129,126.36 = 23,749.79 : x
  2. Step 2: Convert to fraction form
    86,079.29/129,126.36 = 23,749.79/x
  3. Step 3: Cross multiply
    86,079.29x = 129,126.36 × 23,749.79
  4. Step 4: Simplify right side
    86,079.29x = 3,066,723,287.83
  5. Step 5: Solve for x
    x = 3,066,723,287.83/86,079.29
  6. Step 6: Final answer
    x = 35,626.73

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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.