Home / 77,284.39-115,848.15-43,935.52

Finding the Fourth Proportional to 77,284.39, 115,848.15 and 43,935.52

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Solution

The fourth proportional to 77,284.39, 115,848.15 and 43,935.52 is: 65,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,284.39 : 115,848.15 = 43,935.52 : x
  2. Step 2: Convert to fraction form
    77,284.39/115,848.15 = 43,935.52/x
  3. Step 3: Cross multiply
    77,284.39x = 115,848.15 × 43,935.52
  4. Step 4: Simplify right side
    77,284.39x = 5,089,848,711.29
  5. Step 5: Solve for x
    x = 5,089,848,711.29/77,284.39
  6. Step 6: Final answer
    x = 65,858.69

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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.