Home / 120,931.68-181,399.35-46,055.97

Finding the Fourth Proportional to 120,931.68, 181,399.35 and 46,055.97

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Solution

The fourth proportional to 120,931.68, 181,399.35 and 46,055.97 is: 69,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,931.68 : 181,399.35 = 46,055.97 : x
  2. Step 2: Convert to fraction form
    120,931.68/181,399.35 = 46,055.97/x
  3. Step 3: Cross multiply
    120,931.68x = 181,399.35 × 46,055.97
  4. Step 4: Simplify right side
    120,931.68x = 8,354,523,021.62
  5. Step 5: Solve for x
    x = 8,354,523,021.62/120,931.68
  6. Step 6: Final answer
    x = 69,084.65

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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.