Home / 56,741.16-85,150.46-19,805.16

Finding the Fourth Proportional to 56,741.16, 85,150.46 and 19,805.16

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Solution

The fourth proportional to 56,741.16, 85,150.46 and 19,805.16 is: 29,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.16 : 85,150.46 = 19,805.16 : x
  2. Step 2: Convert to fraction form
    56,741.16/85,150.46 = 19,805.16/x
  3. Step 3: Cross multiply
    56,741.16x = 85,150.46 × 19,805.16
  4. Step 4: Simplify right side
    56,741.16x = 1,686,418,484.37
  5. Step 5: Solve for x
    x = 1,686,418,484.37/56,741.16
  6. Step 6: Final answer
    x = 29,721.25

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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.