Home / 56,127.69-84,371.97-45,156.24

Finding the Fourth Proportional to 56,127.69, 84,371.97 and 45,156.24

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Solution

The fourth proportional to 56,127.69, 84,371.97 and 45,156.24 is: 67,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.69 : 84,371.97 = 45,156.24 : x
  2. Step 2: Convert to fraction form
    56,127.69/84,371.97 = 45,156.24/x
  3. Step 3: Cross multiply
    56,127.69x = 84,371.97 × 45,156.24
  4. Step 4: Simplify right side
    56,127.69x = 3,809,920,926.59
  5. Step 5: Solve for x
    x = 3,809,920,926.59/56,127.69
  6. Step 6: Final answer
    x = 67,879.52

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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.