Home / 82,678.48-124,014.94-35,931.36

Finding the Fourth Proportional to 82,678.48, 124,014.94 and 35,931.36

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Solution

The fourth proportional to 82,678.48, 124,014.94 and 35,931.36 is: 53,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678.48 : 124,014.94 = 35,931.36 : x
  2. Step 2: Convert to fraction form
    82,678.48/124,014.94 = 35,931.36/x
  3. Step 3: Cross multiply
    82,678.48x = 124,014.94 × 35,931.36
  4. Step 4: Simplify right side
    82,678.48x = 4,456,025,454.52
  5. Step 5: Solve for x
    x = 4,456,025,454.52/82,678.48
  6. Step 6: Final answer
    x = 53,895.83

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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.