Home / 82,110.92-113,315.86-47,653.00

Finding the Fourth Proportional to 82,110.92, 113,315.86 and 47,653.00

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Solution

The fourth proportional to 82,110.92, 113,315.86 and 47,653.00 is: 65,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.92 : 113,315.86 = 47,653.00 : x
  2. Step 2: Convert to fraction form
    82,110.92/113,315.86 = 47,653.00/x
  3. Step 3: Cross multiply
    82,110.92x = 113,315.86 × 47,653.00
  4. Step 4: Simplify right side
    82,110.92x = 5,399,840,452.86
  5. Step 5: Solve for x
    x = 5,399,840,452.86/82,110.92
  6. Step 6: Final answer
    x = 65,762.76

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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.