Home / 77,838.48-116,772.30-25,241.12

Finding the Fourth Proportional to 77,838.48, 116,772.30 and 25,241.12

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Solution

The fourth proportional to 77,838.48, 116,772.30 and 25,241.12 is: 37,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,838.48 : 116,772.30 = 25,241.12 : x
  2. Step 2: Convert to fraction form
    77,838.48/116,772.30 = 25,241.12/x
  3. Step 3: Cross multiply
    77,838.48x = 116,772.30 × 25,241.12
  4. Step 4: Simplify right side
    77,838.48x = 2,947,463,636.98
  5. Step 5: Solve for x
    x = 2,947,463,636.98/77,838.48
  6. Step 6: Final answer
    x = 37,866.41

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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.