Home / 56,254.95-77,629.71-31,104.45

Finding the Fourth Proportional to 56,254.95, 77,629.71 and 31,104.45

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Solution

The fourth proportional to 56,254.95, 77,629.71 and 31,104.45 is: 42,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254.95 : 77,629.71 = 31,104.45 : x
  2. Step 2: Convert to fraction form
    56,254.95/77,629.71 = 31,104.45/x
  3. Step 3: Cross multiply
    56,254.95x = 77,629.71 × 31,104.45
  4. Step 4: Simplify right side
    56,254.95x = 2,414,629,433.21
  5. Step 5: Solve for x
    x = 2,414,629,433.21/56,254.95
  6. Step 6: Final answer
    x = 42,922.97

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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.