Home / 91,623.44-137,158.48-82,862.48

Finding the Fourth Proportional to 91,623.44, 137,158.48 and 82,862.48

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Solution

The fourth proportional to 91,623.44, 137,158.48 and 82,862.48 is: 124,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.44 : 137,158.48 = 82,862.48 : x
  2. Step 2: Convert to fraction form
    91,623.44/137,158.48 = 82,862.48/x
  3. Step 3: Cross multiply
    91,623.44x = 137,158.48 × 82,862.48
  4. Step 4: Simplify right side
    91,623.44x = 11,365,291,805.83
  5. Step 5: Solve for x
    x = 11,365,291,805.83/91,623.44
  6. Step 6: Final answer
    x = 124,043.50

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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.