Home / 91,583.72-126,388.26-51,297.32

Finding the Fourth Proportional to 91,583.72, 126,388.26 and 51,297.32

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Solution

The fourth proportional to 91,583.72, 126,388.26 and 51,297.32 is: 70,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.72 : 126,388.26 = 51,297.32 : x
  2. Step 2: Convert to fraction form
    91,583.72/126,388.26 = 51,297.32/x
  3. Step 3: Cross multiply
    91,583.72x = 126,388.26 × 51,297.32
  4. Step 4: Simplify right side
    91,583.72x = 6,483,379,017.46
  5. Step 5: Solve for x
    x = 6,483,379,017.46/91,583.72
  6. Step 6: Final answer
    x = 70,791.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.