Home / 85,102.47-117,439.29-46,861.72

Finding the Fourth Proportional to 85,102.47, 117,439.29 and 46,861.72

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Solution

The fourth proportional to 85,102.47, 117,439.29 and 46,861.72 is: 64,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102.47 : 117,439.29 = 46,861.72 : x
  2. Step 2: Convert to fraction form
    85,102.47/117,439.29 = 46,861.72/x
  3. Step 3: Cross multiply
    85,102.47x = 117,439.29 × 46,861.72
  4. Step 4: Simplify right side
    85,102.47x = 5,503,407,124.98
  5. Step 5: Solve for x
    x = 5,503,407,124.98/85,102.47
  6. Step 6: Final answer
    x = 64,668.01

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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.