Home / 56,346.08-77,757.36-30,852.56

Finding the Fourth Proportional to 56,346.08, 77,757.36 and 30,852.56

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Solution

The fourth proportional to 56,346.08, 77,757.36 and 30,852.56 is: 42,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.08 : 77,757.36 = 30,852.56 : x
  2. Step 2: Convert to fraction form
    56,346.08/77,757.36 = 30,852.56/x
  3. Step 3: Cross multiply
    56,346.08x = 77,757.36 × 30,852.56
  4. Step 4: Simplify right side
    56,346.08x = 2,399,013,614.84
  5. Step 5: Solve for x
    x = 2,399,013,614.84/56,346.08
  6. Step 6: Final answer
    x = 42,576.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.