Home / 82,986.24-114,518.16-47,177.76

Finding the Fourth Proportional to 82,986.24, 114,518.16 and 47,177.76

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Solution

The fourth proportional to 82,986.24, 114,518.16 and 47,177.76 is: 65,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.24 : 114,518.16 = 47,177.76 : x
  2. Step 2: Convert to fraction form
    82,986.24/114,518.16 = 47,177.76/x
  3. Step 3: Cross multiply
    82,986.24x = 114,518.16 × 47,177.76
  4. Step 4: Simplify right side
    82,986.24x = 5,402,710,268.12
  5. Step 5: Solve for x
    x = 5,402,710,268.12/82,986.24
  6. Step 6: Final answer
    x = 65,103.69

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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.