Home / 77,345.71-116,001.86-27,427.43

Finding the Fourth Proportional to 77,345.71, 116,001.86 and 27,427.43

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Solution

The fourth proportional to 77,345.71, 116,001.86 and 27,427.43 is: 41,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345.71 : 116,001.86 = 27,427.43 : x
  2. Step 2: Convert to fraction form
    77,345.71/116,001.86 = 27,427.43/x
  3. Step 3: Cross multiply
    77,345.71x = 116,001.86 × 27,427.43
  4. Step 4: Simplify right side
    77,345.71x = 3,181,633,047.89
  5. Step 5: Solve for x
    x = 3,181,633,047.89/77,345.71
  6. Step 6: Final answer
    x = 41,135.22

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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.