Home / 86,450.31-129,566.39-46,369.89

Finding the Fourth Proportional to 86,450.31, 129,566.39 and 46,369.89

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Solution

The fourth proportional to 86,450.31, 129,566.39 and 46,369.89 is: 69,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.31 : 129,566.39 = 46,369.89 : x
  2. Step 2: Convert to fraction form
    86,450.31/129,566.39 = 46,369.89/x
  3. Step 3: Cross multiply
    86,450.31x = 129,566.39 × 46,369.89
  4. Step 4: Simplify right side
    86,450.31x = 6,007,979,020.15
  5. Step 5: Solve for x
    x = 6,007,979,020.15/86,450.31
  6. Step 6: Final answer
    x = 69,496.33

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1.5x scale

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.