Home / 77,115.81-115,654.26-37,095.33

Finding the Fourth Proportional to 77,115.81, 115,654.26 and 37,095.33

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Solution

The fourth proportional to 77,115.81, 115,654.26 and 37,095.33 is: 55,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115.81 : 115,654.26 = 37,095.33 : x
  2. Step 2: Convert to fraction form
    77,115.81/115,654.26 = 37,095.33/x
  3. Step 3: Cross multiply
    77,115.81x = 115,654.26 × 37,095.33
  4. Step 4: Simplify right side
    77,115.81x = 4,290,232,940.61
  5. Step 5: Solve for x
    x = 4,290,232,940.61/77,115.81
  6. Step 6: Final answer
    x = 55,633.64

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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.