Home / 81,444.36-122,167.98-26,040.36

Finding the Fourth Proportional to 81,444.36, 122,167.98 and 26,040.36

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Solution

The fourth proportional to 81,444.36, 122,167.98 and 26,040.36 is: 39,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,444.36 : 122,167.98 = 26,040.36 : x
  2. Step 2: Convert to fraction form
    81,444.36/122,167.98 = 26,040.36/x
  3. Step 3: Cross multiply
    81,444.36x = 122,167.98 × 26,040.36
  4. Step 4: Simplify right side
    81,444.36x = 3,181,298,179.67
  5. Step 5: Solve for x
    x = 3,181,298,179.67/81,444.36
  6. Step 6: Final answer
    x = 39,061.00

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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.