Home / 54,001.25-74,523.89-30,130.01

Finding the Fourth Proportional to 54,001.25, 74,523.89 and 30,130.01

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Solution

The fourth proportional to 54,001.25, 74,523.89 and 30,130.01 is: 41,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.25 : 74,523.89 = 30,130.01 : x
  2. Step 2: Convert to fraction form
    54,001.25/74,523.89 = 30,130.01/x
  3. Step 3: Cross multiply
    54,001.25x = 74,523.89 × 30,130.01
  4. Step 4: Simplify right side
    54,001.25x = 2,245,405,400.29
  5. Step 5: Solve for x
    x = 2,245,405,400.29/54,001.25
  6. Step 6: Final answer
    x = 41,580.62

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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.