Home / 54,946.19-75,822.11-30,743.05

Finding the Fourth Proportional to 54,946.19, 75,822.11 and 30,743.05

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Solution

The fourth proportional to 54,946.19, 75,822.11 and 30,743.05 is: 42,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,946.19 : 75,822.11 = 30,743.05 : x
  2. Step 2: Convert to fraction form
    54,946.19/75,822.11 = 30,743.05/x
  3. Step 3: Cross multiply
    54,946.19x = 75,822.11 × 30,743.05
  4. Step 4: Simplify right side
    54,946.19x = 2,331,002,539.72
  5. Step 5: Solve for x
    x = 2,331,002,539.72/54,946.19
  6. Step 6: Final answer
    x = 42,423.37

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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.