Home / 103,735.36-155,613.84-39,693.39

Finding the Fourth Proportional to 103,735.36, 155,613.84 and 39,693.39

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Solution

The fourth proportional to 103,735.36, 155,613.84 and 39,693.39 is: 59,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,735.36 : 155,613.84 = 39,693.39 : x
  2. Step 2: Convert to fraction form
    103,735.36/155,613.84 = 39,693.39/x
  3. Step 3: Cross multiply
    103,735.36x = 155,613.84 × 39,693.39
  4. Step 4: Simplify right side
    103,735.36x = 6,176,840,840.52
  5. Step 5: Solve for x
    x = 6,176,840,840.52/103,735.36
  6. Step 6: Final answer
    x = 59,544.22

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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.