Home / 55,682.99-83,520.12-15,700.35

Finding the Fourth Proportional to 55,682.99, 83,520.12 and 15,700.35

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Solution

The fourth proportional to 55,682.99, 83,520.12 and 15,700.35 is: 23,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,682.99 : 83,520.12 = 15,700.35 : x
  2. Step 2: Convert to fraction form
    55,682.99/83,520.12 = 15,700.35/x
  3. Step 3: Cross multiply
    55,682.99x = 83,520.12 × 15,700.35
  4. Step 4: Simplify right side
    55,682.99x = 1,311,295,370.37
  5. Step 5: Solve for x
    x = 1,311,295,370.37/55,682.99
  6. Step 6: Final answer
    x = 23,549.30

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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.