Home / 91,261.40-136,900.76-37,942.16

Finding the Fourth Proportional to 91,261.40, 136,900.76 and 37,942.16

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Solution

The fourth proportional to 91,261.40, 136,900.76 and 37,942.16 is: 56,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.40 : 136,900.76 = 37,942.16 : x
  2. Step 2: Convert to fraction form
    91,261.40/136,900.76 = 37,942.16/x
  3. Step 3: Cross multiply
    91,261.40x = 136,900.76 × 37,942.16
  4. Step 4: Simplify right side
    91,261.40x = 5,194,310,540.04
  5. Step 5: Solve for x
    x = 5,194,310,540.04/91,261.40
  6. Step 6: Final answer
    x = 56,916.84

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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.