Home / 54,740.61-75,519.84-38,631.30

Finding the Fourth Proportional to 54,740.61, 75,519.84 and 38,631.30

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Solution

The fourth proportional to 54,740.61, 75,519.84 and 38,631.30 is: 53,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.61 : 75,519.84 = 38,631.30 : x
  2. Step 2: Convert to fraction form
    54,740.61/75,519.84 = 38,631.30/x
  3. Step 3: Cross multiply
    54,740.61x = 75,519.84 × 38,631.30
  4. Step 4: Simplify right side
    54,740.61x = 2,917,430,093.86
  5. Step 5: Solve for x
    x = 2,917,430,093.86/54,740.61
  6. Step 6: Final answer
    x = 53,295.53

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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.