Home / 91,368.09-137,047.23-29,033.73

Finding the Fourth Proportional to 91,368.09, 137,047.23 and 29,033.73

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Solution

The fourth proportional to 91,368.09, 137,047.23 and 29,033.73 is: 43,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,368.09 : 137,047.23 = 29,033.73 : x
  2. Step 2: Convert to fraction form
    91,368.09/137,047.23 = 29,033.73/x
  3. Step 3: Cross multiply
    91,368.09x = 137,047.23 × 29,033.73
  4. Step 4: Simplify right side
    91,368.09x = 3,978,992,273.07
  5. Step 5: Solve for x
    x = 3,978,992,273.07/91,368.09
  6. Step 6: Final answer
    x = 43,549.04

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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.