Home / 80,980.09-111,757.53-44,681.37

Finding the Fourth Proportional to 80,980.09, 111,757.53 and 44,681.37

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Solution

The fourth proportional to 80,980.09, 111,757.53 and 44,681.37 is: 61,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,980.09 : 111,757.53 = 44,681.37 : x
  2. Step 2: Convert to fraction form
    80,980.09/111,757.53 = 44,681.37/x
  3. Step 3: Cross multiply
    80,980.09x = 111,757.53 × 44,681.37
  4. Step 4: Simplify right side
    80,980.09x = 4,993,479,548.22
  5. Step 5: Solve for x
    x = 4,993,479,548.22/80,980.09
  6. Step 6: Final answer
    x = 61,663.05

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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.