Home / 54,659.16-75,427.67-30,788.06

Finding the Fourth Proportional to 54,659.16, 75,427.67 and 30,788.06

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Solution

The fourth proportional to 54,659.16, 75,427.67 and 30,788.06 is: 42,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.16 : 75,427.67 = 30,788.06 : x
  2. Step 2: Convert to fraction form
    54,659.16/75,427.67 = 30,788.06/x
  3. Step 3: Cross multiply
    54,659.16x = 75,427.67 × 30,788.06
  4. Step 4: Simplify right side
    54,659.16x = 2,322,271,329.45
  5. Step 5: Solve for x
    x = 2,322,271,329.45/54,659.16
  6. Step 6: Final answer
    x = 42,486.41

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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.