Home / 61,806.96-92,679.36-30,219.36

Finding the Fourth Proportional to 61,806.96, 92,679.36 and 30,219.36

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Solution

The fourth proportional to 61,806.96, 92,679.36 and 30,219.36 is: 45,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,806.96 : 92,679.36 = 30,219.36 : x
  2. Step 2: Convert to fraction form
    61,806.96/92,679.36 = 30,219.36/x
  3. Step 3: Cross multiply
    61,806.96x = 92,679.36 × 30,219.36
  4. Step 4: Simplify right side
    61,806.96x = 2,800,710,944.41
  5. Step 5: Solve for x
    x = 2,800,710,944.41/61,806.96
  6. Step 6: Final answer
    x = 45,313.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.