Home / 108,312.32-162,451.68-41,783.60

Finding the Fourth Proportional to 108,312.32, 162,451.68 and 41,783.60

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Solution

The fourth proportional to 108,312.32, 162,451.68 and 41,783.60 is: 62,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.32 : 162,451.68 = 41,783.60 : x
  2. Step 2: Convert to fraction form
    108,312.32/162,451.68 = 41,783.60/x
  3. Step 3: Cross multiply
    108,312.32x = 162,451.68 × 41,783.60
  4. Step 4: Simplify right side
    108,312.32x = 6,787,816,016.45
  5. Step 5: Solve for x
    x = 6,787,816,016.45/108,312.32
  6. Step 6: Final answer
    x = 62,668.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.