Home / 54,415.58-75,088.34-30,537.60

Finding the Fourth Proportional to 54,415.58, 75,088.34 and 30,537.60

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Solution

The fourth proportional to 54,415.58, 75,088.34 and 30,537.60 is: 42,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.58 : 75,088.34 = 30,537.60 : x
  2. Step 2: Convert to fraction form
    54,415.58/75,088.34 = 30,537.60/x
  3. Step 3: Cross multiply
    54,415.58x = 75,088.34 × 30,537.60
  4. Step 4: Simplify right side
    54,415.58x = 2,293,017,691.58
  5. Step 5: Solve for x
    x = 2,293,017,691.58/54,415.58
  6. Step 6: Final answer
    x = 42,138.99

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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.