Home / 54,119.86-74,678.93-29,917.55

Finding the Fourth Proportional to 54,119.86, 74,678.93 and 29,917.55

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Solution

The fourth proportional to 54,119.86, 74,678.93 and 29,917.55 is: 41,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.86 : 74,678.93 = 29,917.55 : x
  2. Step 2: Convert to fraction form
    54,119.86/74,678.93 = 29,917.55/x
  3. Step 3: Cross multiply
    54,119.86x = 74,678.93 × 29,917.55
  4. Step 4: Simplify right side
    54,119.86x = 2,234,210,771.52
  5. Step 5: Solve for x
    x = 2,234,210,771.52/54,119.86
  6. Step 6: Final answer
    x = 41,282.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.