Home / 54,054.56-74,646.62-51,109.40

Finding the Fourth Proportional to 54,054.56, 74,646.62 and 51,109.40

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Solution

The fourth proportional to 54,054.56, 74,646.62 and 51,109.40 is: 70,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.56 : 74,646.62 = 51,109.40 : x
  2. Step 2: Convert to fraction form
    54,054.56/74,646.62 = 51,109.40/x
  3. Step 3: Cross multiply
    54,054.56x = 74,646.62 × 51,109.40
  4. Step 4: Simplify right side
    54,054.56x = 3,815,143,331.45
  5. Step 5: Solve for x
    x = 3,815,143,331.45/54,054.56
  6. Step 6: Final answer
    x = 70,579.50

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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.