Home / 56,835.28-78,433.68-31,344.58

Finding the Fourth Proportional to 56,835.28, 78,433.68 and 31,344.58

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Solution

The fourth proportional to 56,835.28, 78,433.68 and 31,344.58 is: 43,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.28 : 78,433.68 = 31,344.58 : x
  2. Step 2: Convert to fraction form
    56,835.28/78,433.68 = 31,344.58/x
  3. Step 3: Cross multiply
    56,835.28x = 78,433.68 × 31,344.58
  4. Step 4: Simplify right side
    56,835.28x = 2,458,470,757.45
  5. Step 5: Solve for x
    x = 2,458,470,757.45/56,835.28
  6. Step 6: Final answer
    x = 43,256.07

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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.