Home / 69,088.72-103,617.60-26,969.80

Finding the Fourth Proportional to 69,088.72, 103,617.60 and 26,969.80

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Solution

The fourth proportional to 69,088.72, 103,617.60 and 26,969.80 is: 40,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.72 : 103,617.60 = 26,969.80 : x
  2. Step 2: Convert to fraction form
    69,088.72/103,617.60 = 26,969.80/x
  3. Step 3: Cross multiply
    69,088.72x = 103,617.60 × 26,969.80
  4. Step 4: Simplify right side
    69,088.72x = 2,794,545,948.48
  5. Step 5: Solve for x
    x = 2,794,545,948.48/69,088.72
  6. Step 6: Final answer
    x = 40,448.66

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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.