Home / 56,683.53-85,003.79-16,691.51

Finding the Fourth Proportional to 56,683.53, 85,003.79 and 16,691.51

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Solution

The fourth proportional to 56,683.53, 85,003.79 and 16,691.51 is: 25,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683.53 : 85,003.79 = 16,691.51 : x
  2. Step 2: Convert to fraction form
    56,683.53/85,003.79 = 16,691.51/x
  3. Step 3: Cross multiply
    56,683.53x = 85,003.79 × 16,691.51
  4. Step 4: Simplify right side
    56,683.53x = 1,418,841,739.87
  5. Step 5: Solve for x
    x = 1,418,841,739.87/56,683.53
  6. Step 6: Final answer
    x = 25,030.93

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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.