Home / 82,718.48-114,090.40-52,477.76

Finding the Fourth Proportional to 82,718.48, 114,090.40 and 52,477.76

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Solution

The fourth proportional to 82,718.48, 114,090.40 and 52,477.76 is: 72,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,718.48 : 114,090.40 = 52,477.76 : x
  2. Step 2: Convert to fraction form
    82,718.48/114,090.40 = 52,477.76/x
  3. Step 3: Cross multiply
    82,718.48x = 114,090.40 × 52,477.76
  4. Step 4: Simplify right side
    82,718.48x = 5,987,208,629.50
  5. Step 5: Solve for x
    x = 5,987,208,629.50/82,718.48
  6. Step 6: Final answer
    x = 72,380.54

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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.