Home / 82,390.32-113,704.47-46,580.67

Finding the Fourth Proportional to 82,390.32, 113,704.47 and 46,580.67

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Solution

The fourth proportional to 82,390.32, 113,704.47 and 46,580.67 is: 64,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390.32 : 113,704.47 = 46,580.67 : x
  2. Step 2: Convert to fraction form
    82,390.32/113,704.47 = 46,580.67/x
  3. Step 3: Cross multiply
    82,390.32x = 113,704.47 × 46,580.67
  4. Step 4: Simplify right side
    82,390.32x = 5,296,430,394.59
  5. Step 5: Solve for x
    x = 5,296,430,394.59/82,390.32
  6. Step 6: Final answer
    x = 64,284.62

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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.