Home / 56,928.48-78,559.92-31,777.92

Finding the Fourth Proportional to 56,928.48, 78,559.92 and 31,777.92

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Solution

The fourth proportional to 56,928.48, 78,559.92 and 31,777.92 is: 43,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.48 : 78,559.92 = 31,777.92 : x
  2. Step 2: Convert to fraction form
    56,928.48/78,559.92 = 31,777.92/x
  3. Step 3: Cross multiply
    56,928.48x = 78,559.92 × 31,777.92
  4. Step 4: Simplify right side
    56,928.48x = 2,496,470,852.97
  5. Step 5: Solve for x
    x = 2,496,470,852.97/56,928.48
  6. Step 6: Final answer
    x = 43,852.76

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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.