Home / 56,943.44-85,415.64-52,658

Finding the Fourth Proportional to 56,943.44, 85,415.64 and 52,658

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Solution

The fourth proportional to 56,943.44, 85,415.64 and 52,658 is: 78,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.44 : 85,415.64 = 52,658 : x
  2. Step 2: Convert to fraction form
    56,943.44/85,415.64 = 52,658/x
  3. Step 3: Cross multiply
    56,943.44x = 85,415.64 × 52,658
  4. Step 4: Simplify right side
    56,943.44x = 4,497,816,771.12
  5. Step 5: Solve for x
    x = 4,497,816,771.12/56,943.44
  6. Step 6: Final answer
    x = 78,987.44

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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.