Home / 82,881.67-124,321.59-49,611.02

Finding the Fourth Proportional to 82,881.67, 124,321.59 and 49,611.02

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Solution

The fourth proportional to 82,881.67, 124,321.59 and 49,611.02 is: 74,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.67 : 124,321.59 = 49,611.02 : x
  2. Step 2: Convert to fraction form
    82,881.67/124,321.59 = 49,611.02/x
  3. Step 3: Cross multiply
    82,881.67x = 124,321.59 × 49,611.02
  4. Step 4: Simplify right side
    82,881.67x = 6,167,720,887.92
  5. Step 5: Solve for x
    x = 6,167,720,887.92/82,881.67
  6. Step 6: Final answer
    x = 74,415.98

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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.