Home / 91,186.08-136,777.68-46,787.20

Finding the Fourth Proportional to 91,186.08, 136,777.68 and 46,787.20

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Solution

The fourth proportional to 91,186.08, 136,777.68 and 46,787.20 is: 70,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,186.08 : 136,777.68 = 46,787.20 : x
  2. Step 2: Convert to fraction form
    91,186.08/136,777.68 = 46,787.20/x
  3. Step 3: Cross multiply
    91,186.08x = 136,777.68 × 46,787.20
  4. Step 4: Simplify right side
    91,186.08x = 6,399,444,669.70
  5. Step 5: Solve for x
    x = 6,399,444,669.70/91,186.08
  6. Step 6: Final answer
    x = 70,180.06

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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.