Home / 103,661.16-155,396.70-37,085.64

Finding the Fourth Proportional to 103,661.16, 155,396.70 and 37,085.64

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Solution

The fourth proportional to 103,661.16, 155,396.70 and 37,085.64 is: 55,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661.16 : 155,396.70 = 37,085.64 : x
  2. Step 2: Convert to fraction form
    103,661.16/155,396.70 = 37,085.64/x
  3. Step 3: Cross multiply
    103,661.16x = 155,396.70 × 37,085.64
  4. Step 4: Simplify right side
    103,661.16x = 5,762,986,073.39
  5. Step 5: Solve for x
    x = 5,762,986,073.39/103,661.16
  6. Step 6: Final answer
    x = 55,594.46

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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.