Home / 56,205.95-84,338.10-40,751.15

Finding the Fourth Proportional to 56,205.95, 84,338.10 and 40,751.15

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Solution

The fourth proportional to 56,205.95, 84,338.10 and 40,751.15 is: 61,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205.95 : 84,338.10 = 40,751.15 : x
  2. Step 2: Convert to fraction form
    56,205.95/84,338.10 = 40,751.15/x
  3. Step 3: Cross multiply
    56,205.95x = 84,338.10 × 40,751.15
  4. Step 4: Simplify right side
    56,205.95x = 3,436,874,142.12
  5. Step 5: Solve for x
    x = 3,436,874,142.12/56,205.95
  6. Step 6: Final answer
    x = 61,147.88

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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.