Home / 86,983.00-130,437.59-30,837.24

Finding the Fourth Proportional to 86,983.00, 130,437.59 and 30,837.24

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Solution

The fourth proportional to 86,983.00, 130,437.59 and 30,837.24 is: 46,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983.00 : 130,437.59 = 30,837.24 : x
  2. Step 2: Convert to fraction form
    86,983.00/130,437.59 = 30,837.24/x
  3. Step 3: Cross multiply
    86,983.00x = 130,437.59 × 30,837.24
  4. Step 4: Simplify right side
    86,983.00x = 4,022,335,287.12
  5. Step 5: Solve for x
    x = 4,022,335,287.12/86,983.00
  6. Step 6: Final answer
    x = 46,242.78

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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.