Home / 54,130.98-74,700.54-30,257.64

Finding the Fourth Proportional to 54,130.98, 74,700.54 and 30,257.64

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Solution

The fourth proportional to 54,130.98, 74,700.54 and 30,257.64 is: 41,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.98 : 74,700.54 = 30,257.64 : x
  2. Step 2: Convert to fraction form
    54,130.98/74,700.54 = 30,257.64/x
  3. Step 3: Cross multiply
    54,130.98x = 74,700.54 × 30,257.64
  4. Step 4: Simplify right side
    54,130.98x = 2,260,262,047.13
  5. Step 5: Solve for x
    x = 2,260,262,047.13/54,130.98
  6. Step 6: Final answer
    x = 41,755.42

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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.