Home / 77,212.59-115,828.25-27,282.47

Finding the Fourth Proportional to 77,212.59, 115,828.25 and 27,282.47

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Solution

The fourth proportional to 77,212.59, 115,828.25 and 27,282.47 is: 40,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.59 : 115,828.25 = 27,282.47 : x
  2. Step 2: Convert to fraction form
    77,212.59/115,828.25 = 27,282.47/x
  3. Step 3: Cross multiply
    77,212.59x = 115,828.25 × 27,282.47
  4. Step 4: Simplify right side
    77,212.59x = 3,160,080,040.22
  5. Step 5: Solve for x
    x = 3,160,080,040.22/77,212.59
  6. Step 6: Final answer
    x = 40,927.00

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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.