Home / 54,774.99-75,588.21-30,901.05

Finding the Fourth Proportional to 54,774.99, 75,588.21 and 30,901.05

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Solution

The fourth proportional to 54,774.99, 75,588.21 and 30,901.05 is: 42,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.99 : 75,588.21 = 30,901.05 : x
  2. Step 2: Convert to fraction form
    54,774.99/75,588.21 = 30,901.05/x
  3. Step 3: Cross multiply
    54,774.99x = 75,588.21 × 30,901.05
  4. Step 4: Simplify right side
    54,774.99x = 2,335,755,056.62
  5. Step 5: Solve for x
    x = 2,335,755,056.62/54,774.99
  6. Step 6: Final answer
    x = 42,642.73

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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.