Home / 77,434.75-106,858.27-43,442.63

Finding the Fourth Proportional to 77,434.75, 106,858.27 and 43,442.63

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Solution

The fourth proportional to 77,434.75, 106,858.27 and 43,442.63 is: 59,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,434.75 : 106,858.27 = 43,442.63 : x
  2. Step 2: Convert to fraction form
    77,434.75/106,858.27 = 43,442.63/x
  3. Step 3: Cross multiply
    77,434.75x = 106,858.27 × 43,442.63
  4. Step 4: Simplify right side
    77,434.75x = 4,642,204,206.78
  5. Step 5: Solve for x
    x = 4,642,204,206.78/77,434.75
  6. Step 6: Final answer
    x = 59,949.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.