Home / 56,868.07-78,480.26-31,377.37

Finding the Fourth Proportional to 56,868.07, 78,480.26 and 31,377.37

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Solution

The fourth proportional to 56,868.07, 78,480.26 and 31,377.37 is: 43,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.07 : 78,480.26 = 31,377.37 : x
  2. Step 2: Convert to fraction form
    56,868.07/78,480.26 = 31,377.37/x
  3. Step 3: Cross multiply
    56,868.07x = 78,480.26 × 31,377.37
  4. Step 4: Simplify right side
    56,868.07x = 2,462,503,606.43
  5. Step 5: Solve for x
    x = 2,462,503,606.43/56,868.07
  6. Step 6: Final answer
    x = 43,302.05

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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.