Home / 80,130.10-110,576.78-44,320

Finding the Fourth Proportional to 80,130.10, 110,576.78 and 44,320

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Solution

The fourth proportional to 80,130.10, 110,576.78 and 44,320 is: 61,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130.10 : 110,576.78 = 44,320 : x
  2. Step 2: Convert to fraction form
    80,130.10/110,576.78 = 44,320/x
  3. Step 3: Cross multiply
    80,130.10x = 110,576.78 × 44,320
  4. Step 4: Simplify right side
    80,130.10x = 4,900,762,889.60
  5. Step 5: Solve for x
    x = 4,900,762,889.60/80,130.10
  6. Step 6: Final answer
    x = 61,160.07

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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.