Home / 82,712.85-124,090.08-26,557.98

Finding the Fourth Proportional to 82,712.85, 124,090.08 and 26,557.98

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Solution

The fourth proportional to 82,712.85, 124,090.08 and 26,557.98 is: 39,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.85 : 124,090.08 = 26,557.98 : x
  2. Step 2: Convert to fraction form
    82,712.85/124,090.08 = 26,557.98/x
  3. Step 3: Cross multiply
    82,712.85x = 124,090.08 × 26,557.98
  4. Step 4: Simplify right side
    82,712.85x = 3,295,581,862.84
  5. Step 5: Solve for x
    x = 3,295,581,862.84/82,712.85
  6. Step 6: Final answer
    x = 39,843.65

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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.