Home / 91,273.16-136,718.94-73,407.26

Finding the Fourth Proportional to 91,273.16, 136,718.94 and 73,407.26

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Solution

The fourth proportional to 91,273.16, 136,718.94 and 73,407.26 is: 109,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273.16 : 136,718.94 = 73,407.26 : x
  2. Step 2: Convert to fraction form
    91,273.16/136,718.94 = 73,407.26/x
  3. Step 3: Cross multiply
    91,273.16x = 136,718.94 × 73,407.26
  4. Step 4: Simplify right side
    91,273.16x = 10,036,162,775.50
  5. Step 5: Solve for x
    x = 10,036,162,775.50/91,273.16
  6. Step 6: Final answer
    x = 109,957.44

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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.