Home / 121,082.04-181,663.90-53,604.75

Finding the Fourth Proportional to 121,082.04, 181,663.90 and 53,604.75

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Solution

The fourth proportional to 121,082.04, 181,663.90 and 53,604.75 is: 80,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.04 : 181,663.90 = 53,604.75 : x
  2. Step 2: Convert to fraction form
    121,082.04/181,663.90 = 53,604.75/x
  3. Step 3: Cross multiply
    121,082.04x = 181,663.90 × 53,604.75
  4. Step 4: Simplify right side
    121,082.04x = 9,738,048,186.08
  5. Step 5: Solve for x
    x = 9,738,048,186.08/121,082.04
  6. Step 6: Final answer
    x = 80,425.21

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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.