Home / 52,605.23-78,918.35-18,862.22

Finding the Fourth Proportional to 52,605.23, 78,918.35 and 18,862.22

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Solution

The fourth proportional to 52,605.23, 78,918.35 and 18,862.22 is: 28,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,605.23 : 78,918.35 = 18,862.22 : x
  2. Step 2: Convert to fraction form
    52,605.23/78,918.35 = 18,862.22/x
  3. Step 3: Cross multiply
    52,605.23x = 78,918.35 × 18,862.22
  4. Step 4: Simplify right side
    52,605.23x = 1,488,575,382.72
  5. Step 5: Solve for x
    x = 1,488,575,382.72/52,605.23
  6. Step 6: Final answer
    x = 28,297.10

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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.