Home / 86,837.67-130,052.39-42,324.93

Finding the Fourth Proportional to 86,837.67, 130,052.39 and 42,324.93

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Solution

The fourth proportional to 86,837.67, 130,052.39 and 42,324.93 is: 63,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837.67 : 130,052.39 = 42,324.93 : x
  2. Step 2: Convert to fraction form
    86,837.67/130,052.39 = 42,324.93/x
  3. Step 3: Cross multiply
    86,837.67x = 130,052.39 × 42,324.93
  4. Step 4: Simplify right side
    86,837.67x = 5,504,458,091.46
  5. Step 5: Solve for x
    x = 5,504,458,091.46/86,837.67
  6. Step 6: Final answer
    x = 63,387.91

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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.