Home / 69,779.27-104,661.11-19,182.17

Finding the Fourth Proportional to 69,779.27, 104,661.11 and 19,182.17

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Solution

The fourth proportional to 69,779.27, 104,661.11 and 19,182.17 is: 28,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.27 : 104,661.11 = 19,182.17 : x
  2. Step 2: Convert to fraction form
    69,779.27/104,661.11 = 19,182.17/x
  3. Step 3: Cross multiply
    69,779.27x = 104,661.11 × 19,182.17
  4. Step 4: Simplify right side
    69,779.27x = 2,007,626,585.19
  5. Step 5: Solve for x
    x = 2,007,626,585.19/69,779.27
  6. Step 6: Final answer
    x = 28,771.11

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1.5x scale

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.