Home / 86,624.40-119,521.26-48,891.36

Finding the Fourth Proportional to 86,624.40, 119,521.26 and 48,891.36

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Solution

The fourth proportional to 86,624.40, 119,521.26 and 48,891.36 is: 67,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,624.40 : 119,521.26 = 48,891.36 : x
  2. Step 2: Convert to fraction form
    86,624.40/119,521.26 = 48,891.36/x
  3. Step 3: Cross multiply
    86,624.40x = 119,521.26 × 48,891.36
  4. Step 4: Simplify right side
    86,624.40x = 5,843,556,950.31
  5. Step 5: Solve for x
    x = 5,843,556,950.31/86,624.40
  6. Step 6: Final answer
    x = 67,458.56

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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.