Home / 111,834.12-154,328.04-61,533.12

Finding the Fourth Proportional to 111,834.12, 154,328.04 and 61,533.12

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Solution

The fourth proportional to 111,834.12, 154,328.04 and 61,533.12 is: 84,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,834.12 : 154,328.04 = 61,533.12 : x
  2. Step 2: Convert to fraction form
    111,834.12/154,328.04 = 61,533.12/x
  3. Step 3: Cross multiply
    111,834.12x = 154,328.04 × 61,533.12
  4. Step 4: Simplify right side
    111,834.12x = 9,496,285,804.68
  5. Step 5: Solve for x
    x = 9,496,285,804.68/111,834.12
  6. Step 6: Final answer
    x = 84,914.03

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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.