Home / 82,940.48-124,299.36-45,444.16

Finding the Fourth Proportional to 82,940.48, 124,299.36 and 45,444.16

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Solution

The fourth proportional to 82,940.48, 124,299.36 and 45,444.16 is: 68,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,940.48 : 124,299.36 = 45,444.16 : x
  2. Step 2: Convert to fraction form
    82,940.48/124,299.36 = 45,444.16/x
  3. Step 3: Cross multiply
    82,940.48x = 124,299.36 × 45,444.16
  4. Step 4: Simplify right side
    82,940.48x = 5,648,680,003.74
  5. Step 5: Solve for x
    x = 5,648,680,003.74/82,940.48
  6. Step 6: Final answer
    x = 68,105.22

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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.