Home / 91,817.02-137,596.20-73,013.61

Finding the Fourth Proportional to 91,817.02, 137,596.20 and 73,013.61

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Solution

The fourth proportional to 91,817.02, 137,596.20 and 73,013.61 is: 109,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,817.02 : 137,596.20 = 73,013.61 : x
  2. Step 2: Convert to fraction form
    91,817.02/137,596.20 = 73,013.61/x
  3. Step 3: Cross multiply
    91,817.02x = 137,596.20 × 73,013.61
  4. Step 4: Simplify right side
    91,817.02x = 10,046,395,284.28
  5. Step 5: Solve for x
    x = 10,046,395,284.28/91,817.02
  6. Step 6: Final answer
    x = 109,417.57

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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.