Home / 82,345.67-113,624.07-47,898.02

Finding the Fourth Proportional to 82,345.67, 113,624.07 and 47,898.02

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Solution

The fourth proportional to 82,345.67, 113,624.07 and 47,898.02 is: 66,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,345.67 : 113,624.07 = 47,898.02 : x
  2. Step 2: Convert to fraction form
    82,345.67/113,624.07 = 47,898.02/x
  3. Step 3: Cross multiply
    82,345.67x = 113,624.07 × 47,898.02
  4. Step 4: Simplify right side
    82,345.67x = 5,442,367,977.34
  5. Step 5: Solve for x
    x = 5,442,367,977.34/82,345.67
  6. Step 6: Final answer
    x = 66,091.73

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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.