Home / 120,979.47-181,449.77-37,873.47

Finding the Fourth Proportional to 120,979.47, 181,449.77 and 37,873.47

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Solution

The fourth proportional to 120,979.47, 181,449.77 and 37,873.47 is: 56,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,979.47 : 181,449.77 = 37,873.47 : x
  2. Step 2: Convert to fraction form
    120,979.47/181,449.77 = 37,873.47/x
  3. Step 3: Cross multiply
    120,979.47x = 181,449.77 × 37,873.47
  4. Step 4: Simplify right side
    120,979.47x = 6,872,132,231.23
  5. Step 5: Solve for x
    x = 6,872,132,231.23/120,979.47
  6. Step 6: Final answer
    x = 56,804.12

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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.