Home / 52,571.40-78,869.67-17,511.36

Finding the Fourth Proportional to 52,571.40, 78,869.67 and 17,511.36

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Solution

The fourth proportional to 52,571.40, 78,869.67 and 17,511.36 is: 26,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571.40 : 78,869.67 = 17,511.36 : x
  2. Step 2: Convert to fraction form
    52,571.40/78,869.67 = 17,511.36/x
  3. Step 3: Cross multiply
    52,571.40x = 78,869.67 × 17,511.36
  4. Step 4: Simplify right side
    52,571.40x = 1,381,115,184.45
  5. Step 5: Solve for x
    x = 1,381,115,184.45/52,571.40
  6. Step 6: Final answer
    x = 26,271.23

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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.