Home / 54,073.08-74,620.14-30,200.15

Finding the Fourth Proportional to 54,073.08, 74,620.14 and 30,200.15

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Solution

The fourth proportional to 54,073.08, 74,620.14 and 30,200.15 is: 41,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,073.08 : 74,620.14 = 30,200.15 : x
  2. Step 2: Convert to fraction form
    54,073.08/74,620.14 = 30,200.15/x
  3. Step 3: Cross multiply
    54,073.08x = 74,620.14 × 30,200.15
  4. Step 4: Simplify right side
    54,073.08x = 2,253,539,047.92
  5. Step 5: Solve for x
    x = 2,253,539,047.92/54,073.08
  6. Step 6: Final answer
    x = 41,675.80

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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.