Home / 55,141.20-82,712.88-15,699.33

Finding the Fourth Proportional to 55,141.20, 82,712.88 and 15,699.33

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Solution

The fourth proportional to 55,141.20, 82,712.88 and 15,699.33 is: 23,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.20 : 82,712.88 = 15,699.33 : x
  2. Step 2: Convert to fraction form
    55,141.20/82,712.88 = 15,699.33/x
  3. Step 3: Cross multiply
    55,141.20x = 82,712.88 × 15,699.33
  4. Step 4: Simplify right side
    55,141.20x = 1,298,536,798.37
  5. Step 5: Solve for x
    x = 1,298,536,798.37/55,141.20
  6. Step 6: Final answer
    x = 23,549.30

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1.5x scale

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.