Home / 86,455.79-119,338.76-50,657.39

Finding the Fourth Proportional to 86,455.79, 119,338.76 and 50,657.39

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Solution

The fourth proportional to 86,455.79, 119,338.76 and 50,657.39 is: 69,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455.79 : 119,338.76 = 50,657.39 : x
  2. Step 2: Convert to fraction form
    86,455.79/119,338.76 = 50,657.39/x
  3. Step 3: Cross multiply
    86,455.79x = 119,338.76 × 50,657.39
  4. Step 4: Simplify right side
    86,455.79x = 6,045,390,107.44
  5. Step 5: Solve for x
    x = 6,045,390,107.44/86,455.79
  6. Step 6: Final answer
    x = 69,924.64

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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.