Home / 54,181.56-74,776.18-31,212.16

Finding the Fourth Proportional to 54,181.56, 74,776.18 and 31,212.16

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Solution

The fourth proportional to 54,181.56, 74,776.18 and 31,212.16 is: 43,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.56 : 74,776.18 = 31,212.16 : x
  2. Step 2: Convert to fraction form
    54,181.56/74,776.18 = 31,212.16/x
  3. Step 3: Cross multiply
    54,181.56x = 74,776.18 × 31,212.16
  4. Step 4: Simplify right side
    54,181.56x = 2,333,926,094.35
  5. Step 5: Solve for x
    x = 2,333,926,094.35/54,181.56
  6. Step 6: Final answer
    x = 43,076.02

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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.