Home / 80,280.23-110,750.63-60,137.96

Finding the Fourth Proportional to 80,280.23, 110,750.63 and 60,137.96

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Solution

The fourth proportional to 80,280.23, 110,750.63 and 60,137.96 is: 82,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.23 : 110,750.63 = 60,137.96 : x
  2. Step 2: Convert to fraction form
    80,280.23/110,750.63 = 60,137.96/x
  3. Step 3: Cross multiply
    80,280.23x = 110,750.63 × 60,137.96
  4. Step 4: Simplify right side
    80,280.23x = 6,660,316,102.47
  5. Step 5: Solve for x
    x = 6,660,316,102.47/80,280.23
  6. Step 6: Final answer
    x = 82,963.35

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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.