Home / 56,741.40-85,075.56-27,158.52

Finding the Fourth Proportional to 56,741.40, 85,075.56 and 27,158.52

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Solution

The fourth proportional to 56,741.40, 85,075.56 and 27,158.52 is: 40,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.40 : 85,075.56 = 27,158.52 : x
  2. Step 2: Convert to fraction form
    56,741.40/85,075.56 = 27,158.52/x
  3. Step 3: Cross multiply
    56,741.40x = 85,075.56 × 27,158.52
  4. Step 4: Simplify right side
    56,741.40x = 2,310,526,297.77
  5. Step 5: Solve for x
    x = 2,310,526,297.77/56,741.40
  6. Step 6: Final answer
    x = 40,720.29

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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.