Home / 54,830.68-82,239.88-15,389.32

Finding the Fourth Proportional to 54,830.68, 82,239.88 and 15,389.32

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Solution

The fourth proportional to 54,830.68, 82,239.88 and 15,389.32 is: 23,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.68 : 82,239.88 = 15,389.32 : x
  2. Step 2: Convert to fraction form
    54,830.68/82,239.88 = 15,389.32/x
  3. Step 3: Cross multiply
    54,830.68x = 82,239.88 × 15,389.32
  4. Step 4: Simplify right side
    54,830.68x = 1,265,615,830.08
  5. Step 5: Solve for x
    x = 1,265,615,830.08/54,830.68
  6. Step 6: Final answer
    x = 23,082.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.