Home / 79,985.91-119,899.29-37,791.24

Finding the Fourth Proportional to 79,985.91, 119,899.29 and 37,791.24

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Solution

The fourth proportional to 79,985.91, 119,899.29 and 37,791.24 is: 56,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.91 : 119,899.29 = 37,791.24 : x
  2. Step 2: Convert to fraction form
    79,985.91/119,899.29 = 37,791.24/x
  3. Step 3: Cross multiply
    79,985.91x = 119,899.29 × 37,791.24
  4. Step 4: Simplify right side
    79,985.91x = 4,531,142,844.22
  5. Step 5: Solve for x
    x = 4,531,142,844.22/79,985.91
  6. Step 6: Final answer
    x = 56,649.26

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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.