Home / 120,935.18-181,404.60-46,059.47

Finding the Fourth Proportional to 120,935.18, 181,404.60 and 46,059.47

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Solution

The fourth proportional to 120,935.18, 181,404.60 and 46,059.47 is: 69,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.18 : 181,404.60 = 46,059.47 : x
  2. Step 2: Convert to fraction form
    120,935.18/181,404.60 = 46,059.47/x
  3. Step 3: Cross multiply
    120,935.18x = 181,404.60 × 46,059.47
  4. Step 4: Simplify right side
    120,935.18x = 8,355,399,731.56
  5. Step 5: Solve for x
    x = 8,355,399,731.56/120,935.18
  6. Step 6: Final answer
    x = 69,089.90

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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.