Home / 82,042.54-122,967.07-37,011.20

Finding the Fourth Proportional to 82,042.54, 122,967.07 and 37,011.20

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Solution

The fourth proportional to 82,042.54, 122,967.07 and 37,011.20 is: 55,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,042.54 : 122,967.07 = 37,011.20 : x
  2. Step 2: Convert to fraction form
    82,042.54/122,967.07 = 37,011.20/x
  3. Step 3: Cross multiply
    82,042.54x = 122,967.07 × 37,011.20
  4. Step 4: Simplify right side
    82,042.54x = 4,551,158,113.82
  5. Step 5: Solve for x
    x = 4,551,158,113.82/82,042.54
  6. Step 6: Final answer
    x = 55,473.15

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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.