Home / 91,271.16-136,715.94-73,405.26

Finding the Fourth Proportional to 91,271.16, 136,715.94 and 73,405.26

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Solution

The fourth proportional to 91,271.16, 136,715.94 and 73,405.26 is: 109,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,271.16 : 136,715.94 = 73,405.26 : x
  2. Step 2: Convert to fraction form
    91,271.16/136,715.94 = 73,405.26/x
  3. Step 3: Cross multiply
    91,271.16x = 136,715.94 × 73,405.26
  4. Step 4: Simplify right side
    91,271.16x = 10,035,669,121.84
  5. Step 5: Solve for x
    x = 10,035,669,121.84/91,271.16
  6. Step 6: Final answer
    x = 109,954.44

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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.