Home / 87,077.96-130,613.10-27,916.60

Finding the Fourth Proportional to 87,077.96, 130,613.10 and 27,916.60

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Solution

The fourth proportional to 87,077.96, 130,613.10 and 27,916.60 is: 41,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,077.96 : 130,613.10 = 27,916.60 : x
  2. Step 2: Convert to fraction form
    87,077.96/130,613.10 = 27,916.60/x
  3. Step 3: Cross multiply
    87,077.96x = 130,613.10 × 27,916.60
  4. Step 4: Simplify right side
    87,077.96x = 3,646,273,667.46
  5. Step 5: Solve for x
    x = 3,646,273,667.46/87,077.96
  6. Step 6: Final answer
    x = 41,873.67

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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.