Home / 121,415.66-182,019.62-46,589.50

Finding the Fourth Proportional to 121,415.66, 182,019.62 and 46,589.50

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Solution

The fourth proportional to 121,415.66, 182,019.62 and 46,589.50 is: 69,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,415.66 : 182,019.62 = 46,589.50 : x
  2. Step 2: Convert to fraction form
    121,415.66/182,019.62 = 46,589.50/x
  3. Step 3: Cross multiply
    121,415.66x = 182,019.62 × 46,589.50
  4. Step 4: Simplify right side
    121,415.66x = 8,480,203,085.99
  5. Step 5: Solve for x
    x = 8,480,203,085.99/121,415.66
  6. Step 6: Final answer
    x = 69,844.39

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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.