Home / 82,883.08-124,256.94-38,537.56

Finding the Fourth Proportional to 82,883.08, 124,256.94 and 38,537.56

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Solution

The fourth proportional to 82,883.08, 124,256.94 and 38,537.56 is: 57,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883.08 : 124,256.94 = 38,537.56 : x
  2. Step 2: Convert to fraction form
    82,883.08/124,256.94 = 38,537.56/x
  3. Step 3: Cross multiply
    82,883.08x = 124,256.94 × 38,537.56
  4. Step 4: Simplify right side
    82,883.08x = 4,788,559,280.67
  5. Step 5: Solve for x
    x = 4,788,559,280.67/82,883.08
  6. Step 6: Final answer
    x = 57,774.87

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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.