Home / 111,743.04-154,205.46-61,442.04

Finding the Fourth Proportional to 111,743.04, 154,205.46 and 61,442.04

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Solution

The fourth proportional to 111,743.04, 154,205.46 and 61,442.04 is: 84,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,743.04 : 154,205.46 = 61,442.04 : x
  2. Step 2: Convert to fraction form
    111,743.04/154,205.46 = 61,442.04/x
  3. Step 3: Cross multiply
    111,743.04x = 154,205.46 × 61,442.04
  4. Step 4: Simplify right side
    111,743.04x = 9,474,698,041.54
  5. Step 5: Solve for x
    x = 9,474,698,041.54/111,743.04
  6. Step 6: Final answer
    x = 84,790.05

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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.