Home / 56,901.67-78,523.49-31,408.52

Finding the Fourth Proportional to 56,901.67, 78,523.49 and 31,408.52

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Solution

The fourth proportional to 56,901.67, 78,523.49 and 31,408.52 is: 43,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.67 : 78,523.49 = 31,408.52 : x
  2. Step 2: Convert to fraction form
    56,901.67/78,523.49 = 31,408.52/x
  3. Step 3: Cross multiply
    56,901.67x = 78,523.49 × 31,408.52
  4. Step 4: Simplify right side
    56,901.67x = 2,466,306,606.13
  5. Step 5: Solve for x
    x = 2,466,306,606.13/56,901.67
  6. Step 6: Final answer
    x = 43,343.31

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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.