Home / 52,512.15-78,768.06-13,069.28

Finding the Fourth Proportional to 52,512.15, 78,768.06 and 13,069.28

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Solution

The fourth proportional to 52,512.15, 78,768.06 and 13,069.28 is: 19,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.15 : 78,768.06 = 13,069.28 : x
  2. Step 2: Convert to fraction form
    52,512.15/78,768.06 = 13,069.28/x
  3. Step 3: Cross multiply
    52,512.15x = 78,768.06 × 13,069.28
  4. Step 4: Simplify right side
    52,512.15x = 1,029,441,437.36
  5. Step 5: Solve for x
    x = 1,029,441,437.36/52,512.15
  6. Step 6: Final answer
    x = 19,603.87

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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.