Home / 62,811.12-94,181.16-20,679.84

Finding the Fourth Proportional to 62,811.12, 94,181.16 and 20,679.84

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Solution

The fourth proportional to 62,811.12, 94,181.16 and 20,679.84 is: 31,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.12 : 94,181.16 = 20,679.84 : x
  2. Step 2: Convert to fraction form
    62,811.12/94,181.16 = 20,679.84/x
  3. Step 3: Cross multiply
    62,811.12x = 94,181.16 × 20,679.84
  4. Step 4: Simplify right side
    62,811.12x = 1,947,651,319.81
  5. Step 5: Solve for x
    x = 1,947,651,319.81/62,811.12
  6. Step 6: Final answer
    x = 31,008.07

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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.