Home / 82,346.43-113,638.97-48,355.32

Finding the Fourth Proportional to 82,346.43, 113,638.97 and 48,355.32

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Solution

The fourth proportional to 82,346.43, 113,638.97 and 48,355.32 is: 66,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,346.43 : 113,638.97 = 48,355.32 : x
  2. Step 2: Convert to fraction form
    82,346.43/113,638.97 = 48,355.32/x
  3. Step 3: Cross multiply
    82,346.43x = 113,638.97 × 48,355.32
  4. Step 4: Simplify right side
    82,346.43x = 5,495,048,758.82
  5. Step 5: Solve for x
    x = 5,495,048,758.82/82,346.43
  6. Step 6: Final answer
    x = 66,730.87

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1.5x scale

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.