Home / 91,176.45-136,782.40-35,012.43

Finding the Fourth Proportional to 91,176.45, 136,782.40 and 35,012.43

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Solution

The fourth proportional to 91,176.45, 136,782.40 and 35,012.43 is: 52,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.45 : 136,782.40 = 35,012.43 : x
  2. Step 2: Convert to fraction form
    91,176.45/136,782.40 = 35,012.43/x
  3. Step 3: Cross multiply
    91,176.45x = 136,782.40 × 35,012.43
  4. Step 4: Simplify right side
    91,176.45x = 4,789,084,183.35
  5. Step 5: Solve for x
    x = 4,789,084,183.35/91,176.45
  6. Step 6: Final answer
    x = 52,525.45

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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.