Home / 116,349.57-160,558.14-71,103.30

Finding the Fourth Proportional to 116,349.57, 160,558.14 and 71,103.30

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Solution

The fourth proportional to 116,349.57, 160,558.14 and 71,103.30 is: 98,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,349.57 : 160,558.14 = 71,103.30 : x
  2. Step 2: Convert to fraction form
    116,349.57/160,558.14 = 71,103.30/x
  3. Step 3: Cross multiply
    116,349.57x = 160,558.14 × 71,103.30
  4. Step 4: Simplify right side
    116,349.57x = 11,416,213,595.86
  5. Step 5: Solve for x
    x = 11,416,213,595.86/116,349.57
  6. Step 6: Final answer
    x = 98,119.95

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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.