Home / 56,135.22-84,216.29-18,695.61

Finding the Fourth Proportional to 56,135.22, 84,216.29 and 18,695.61

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Solution

The fourth proportional to 56,135.22, 84,216.29 and 18,695.61 is: 28,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.22 : 84,216.29 = 18,695.61 : x
  2. Step 2: Convert to fraction form
    56,135.22/84,216.29 = 18,695.61/x
  3. Step 3: Cross multiply
    56,135.22x = 84,216.29 × 18,695.61
  4. Step 4: Simplify right side
    56,135.22x = 1,574,474,913.49
  5. Step 5: Solve for x
    x = 1,574,474,913.49/56,135.22
  6. Step 6: Final answer
    x = 28,047.90

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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.