Home / 54,133.72-74,706.19-30,261.40

Finding the Fourth Proportional to 54,133.72, 74,706.19 and 30,261.40

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Solution

The fourth proportional to 54,133.72, 74,706.19 and 30,261.40 is: 41,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.72 : 74,706.19 = 30,261.40 : x
  2. Step 2: Convert to fraction form
    54,133.72/74,706.19 = 30,261.40/x
  3. Step 3: Cross multiply
    54,133.72x = 74,706.19 × 30,261.40
  4. Step 4: Simplify right side
    54,133.72x = 2,260,714,226.09
  5. Step 5: Solve for x
    x = 2,260,714,226.09/54,133.72
  6. Step 6: Final answer
    x = 41,761.66

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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.