Home / 54,612.33-75,367.44-30,740.55

Finding the Fourth Proportional to 54,612.33, 75,367.44 and 30,740.55

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Solution

The fourth proportional to 54,612.33, 75,367.44 and 30,740.55 is: 42,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.33 : 75,367.44 = 30,740.55 : x
  2. Step 2: Convert to fraction form
    54,612.33/75,367.44 = 30,740.55/x
  3. Step 3: Cross multiply
    54,612.33x = 75,367.44 × 30,740.55
  4. Step 4: Simplify right side
    54,612.33x = 2,316,836,557.69
  5. Step 5: Solve for x
    x = 2,316,836,557.69/54,612.33
  6. Step 6: Final answer
    x = 42,423.32

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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.