Home / 54,026.93-74,561.40-30,157.20

Finding the Fourth Proportional to 54,026.93, 74,561.40 and 30,157.20

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Solution

The fourth proportional to 54,026.93, 74,561.40 and 30,157.20 is: 41,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,026.93 : 74,561.40 = 30,157.20 : x
  2. Step 2: Convert to fraction form
    54,026.93/74,561.40 = 30,157.20/x
  3. Step 3: Cross multiply
    54,026.93x = 74,561.40 × 30,157.20
  4. Step 4: Simplify right side
    54,026.93x = 2,248,563,052.08
  5. Step 5: Solve for x
    x = 2,248,563,052.08/54,026.93
  6. Step 6: Final answer
    x = 41,619.30

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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.