Home / 56,668.40-84,808.20-52,002.80

Finding the Fourth Proportional to 56,668.40, 84,808.20 and 52,002.80

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Solution

The fourth proportional to 56,668.40, 84,808.20 and 52,002.80 is: 77,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.40 : 84,808.20 = 52,002.80 : x
  2. Step 2: Convert to fraction form
    56,668.40/84,808.20 = 52,002.80/x
  3. Step 3: Cross multiply
    56,668.40x = 84,808.20 × 52,002.80
  4. Step 4: Simplify right side
    56,668.40x = 4,410,263,862.96
  5. Step 5: Solve for x
    x = 4,410,263,862.96/56,668.40
  6. Step 6: Final answer
    x = 77,825.81

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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.