Home / 52,980.12-79,469.94-13,537.17

Finding the Fourth Proportional to 52,980.12, 79,469.94 and 13,537.17

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Solution

The fourth proportional to 52,980.12, 79,469.94 and 13,537.17 is: 20,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.12 : 79,469.94 = 13,537.17 : x
  2. Step 2: Convert to fraction form
    52,980.12/79,469.94 = 13,537.17/x
  3. Step 3: Cross multiply
    52,980.12x = 79,469.94 × 13,537.17
  4. Step 4: Simplify right side
    52,980.12x = 1,075,798,087.67
  5. Step 5: Solve for x
    x = 1,075,798,087.67/52,980.12
  6. Step 6: Final answer
    x = 20,305.69

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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.