Home / 54,431.58-75,116.98-30,560.08

Finding the Fourth Proportional to 54,431.58, 75,116.98 and 30,560.08

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Solution

The fourth proportional to 54,431.58, 75,116.98 and 30,560.08 is: 42,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.58 : 75,116.98 = 30,560.08 : x
  2. Step 2: Convert to fraction form
    54,431.58/75,116.98 = 30,560.08/x
  3. Step 3: Cross multiply
    54,431.58x = 75,116.98 × 30,560.08
  4. Step 4: Simplify right side
    54,431.58x = 2,295,580,918.16
  5. Step 5: Solve for x
    x = 2,295,580,918.16/54,431.58
  6. Step 6: Final answer
    x = 42,173.70

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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.