Home / 69,349.16-104,017.08-19,433.72

Finding the Fourth Proportional to 69,349.16, 104,017.08 and 19,433.72

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Solution

The fourth proportional to 69,349.16, 104,017.08 and 19,433.72 is: 29,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,349.16 : 104,017.08 = 19,433.72 : x
  2. Step 2: Convert to fraction form
    69,349.16/104,017.08 = 19,433.72/x
  3. Step 3: Cross multiply
    69,349.16x = 104,017.08 × 19,433.72
  4. Step 4: Simplify right side
    69,349.16x = 2,021,438,807.94
  5. Step 5: Solve for x
    x = 2,021,438,807.94/69,349.16
  6. Step 6: Final answer
    x = 29,148.71

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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.