Home / 56,631.14-84,935.36-53,820.98

Finding the Fourth Proportional to 56,631.14, 84,935.36 and 53,820.98

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Solution

The fourth proportional to 56,631.14, 84,935.36 and 53,820.98 is: 80,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.14 : 84,935.36 = 53,820.98 : x
  2. Step 2: Convert to fraction form
    56,631.14/84,935.36 = 53,820.98/x
  3. Step 3: Cross multiply
    56,631.14x = 84,935.36 × 53,820.98
  4. Step 4: Simplify right side
    56,631.14x = 4,571,304,021.73
  5. Step 5: Solve for x
    x = 4,571,304,021.73/56,631.14
  6. Step 6: Final answer
    x = 80,720.69

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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.