Home / 52,651.26-78,966.36-19,359.99

Finding the Fourth Proportional to 52,651.26, 78,966.36 and 19,359.99

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Solution

The fourth proportional to 52,651.26, 78,966.36 and 19,359.99 is: 29,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,651.26 : 78,966.36 = 19,359.99 : x
  2. Step 2: Convert to fraction form
    52,651.26/78,966.36 = 19,359.99/x
  3. Step 3: Cross multiply
    52,651.26x = 78,966.36 × 19,359.99
  4. Step 4: Simplify right side
    52,651.26x = 1,528,787,939.94
  5. Step 5: Solve for x
    x = 1,528,787,939.94/52,651.26
  6. Step 6: Final answer
    x = 29,036.11

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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.