Home / 82,031.86-113,201.90-47,582.67

Finding the Fourth Proportional to 82,031.86, 113,201.90 and 47,582.67

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Solution

The fourth proportional to 82,031.86, 113,201.90 and 47,582.67 is: 65,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,031.86 : 113,201.90 = 47,582.67 : x
  2. Step 2: Convert to fraction form
    82,031.86/113,201.90 = 47,582.67/x
  3. Step 3: Cross multiply
    82,031.86x = 113,201.90 × 47,582.67
  4. Step 4: Simplify right side
    82,031.86x = 5,386,449,283.75
  5. Step 5: Solve for x
    x = 5,386,449,283.75/82,031.86
  6. Step 6: Final answer
    x = 65,662.90

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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.