Home / 86,659.07-130,065.17-42,324.93

Finding the Fourth Proportional to 86,659.07, 130,065.17 and 42,324.93

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Solution

The fourth proportional to 86,659.07, 130,065.17 and 42,324.93 is: 63,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,659.07 : 130,065.17 = 42,324.93 : x
  2. Step 2: Convert to fraction form
    86,659.07/130,065.17 = 42,324.93/x
  3. Step 3: Cross multiply
    86,659.07x = 130,065.17 × 42,324.93
  4. Step 4: Simplify right side
    86,659.07x = 5,504,999,004.06
  5. Step 5: Solve for x
    x = 5,504,999,004.06/86,659.07
  6. Step 6: Final answer
    x = 63,524.79

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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.