Home / 56,352.20-77,757.90-31,201.64

Finding the Fourth Proportional to 56,352.20, 77,757.90 and 31,201.64

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Solution

The fourth proportional to 56,352.20, 77,757.90 and 31,201.64 is: 43,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.20 : 77,757.90 = 31,201.64 : x
  2. Step 2: Convert to fraction form
    56,352.20/77,757.90 = 31,201.64/x
  3. Step 3: Cross multiply
    56,352.20x = 77,757.90 × 31,201.64
  4. Step 4: Simplify right side
    56,352.20x = 2,426,174,002.96
  5. Step 5: Solve for x
    x = 2,426,174,002.96/56,352.20
  6. Step 6: Final answer
    x = 43,053.76

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1.5x scale

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.