Home / 77,701.82-116,588.09-37,699.21

Finding the Fourth Proportional to 77,701.82, 116,588.09 and 37,699.21

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Solution

The fourth proportional to 77,701.82, 116,588.09 and 37,699.21 is: 56,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701.82 : 116,588.09 = 37,699.21 : x
  2. Step 2: Convert to fraction form
    77,701.82/116,588.09 = 37,699.21/x
  3. Step 3: Cross multiply
    77,701.82x = 116,588.09 × 37,699.21
  4. Step 4: Simplify right side
    77,701.82x = 4,395,278,888.41
  5. Step 5: Solve for x
    x = 4,395,278,888.41/77,701.82
  6. Step 6: Final answer
    x = 56,565.97

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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.