Home / 77,392.26-115,940.07-52,389.18

Finding the Fourth Proportional to 77,392.26, 115,940.07 and 52,389.18

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Solution

The fourth proportional to 77,392.26, 115,940.07 and 52,389.18 is: 78,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.26 : 115,940.07 = 52,389.18 : x
  2. Step 2: Convert to fraction form
    77,392.26/115,940.07 = 52,389.18/x
  3. Step 3: Cross multiply
    77,392.26x = 115,940.07 × 52,389.18
  4. Step 4: Simplify right side
    77,392.26x = 6,074,005,196.44
  5. Step 5: Solve for x
    x = 6,074,005,196.44/77,392.26
  6. Step 6: Final answer
    x = 78,483.37

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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.