Home / 56,296.95-77,689.22-31,146.63

Finding the Fourth Proportional to 56,296.95, 77,689.22 and 31,146.63

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Solution

The fourth proportional to 56,296.95, 77,689.22 and 31,146.63 is: 42,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,296.95 : 77,689.22 = 31,146.63 : x
  2. Step 2: Convert to fraction form
    56,296.95/77,689.22 = 31,146.63/x
  3. Step 3: Cross multiply
    56,296.95x = 77,689.22 × 31,146.63
  4. Step 4: Simplify right side
    56,296.95x = 2,419,757,234.60
  5. Step 5: Solve for x
    x = 2,419,757,234.60/56,296.95
  6. Step 6: Final answer
    x = 42,982.03

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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.