Home / 82,530.24-113,985.48-55,626.36

Finding the Fourth Proportional to 82,530.24, 113,985.48 and 55,626.36

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Solution

The fourth proportional to 82,530.24, 113,985.48 and 55,626.36 is: 76,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.24 : 113,985.48 = 55,626.36 : x
  2. Step 2: Convert to fraction form
    82,530.24/113,985.48 = 55,626.36/x
  3. Step 3: Cross multiply
    82,530.24x = 113,985.48 × 55,626.36
  4. Step 4: Simplify right side
    82,530.24x = 6,340,597,345.25
  5. Step 5: Solve for x
    x = 6,340,597,345.25/82,530.24
  6. Step 6: Final answer
    x = 76,827.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.