Home / 103,639.08-155,458.62-41,353.32

Finding the Fourth Proportional to 103,639.08, 155,458.62 and 41,353.32

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Solution

The fourth proportional to 103,639.08, 155,458.62 and 41,353.32 is: 62,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.08 : 155,458.62 = 41,353.32 : x
  2. Step 2: Convert to fraction form
    103,639.08/155,458.62 = 41,353.32/x
  3. Step 3: Cross multiply
    103,639.08x = 155,458.62 × 41,353.32
  4. Step 4: Simplify right side
    103,639.08x = 6,428,730,059.62
  5. Step 5: Solve for x
    x = 6,428,730,059.62/103,639.08
  6. Step 6: Final answer
    x = 62,029.98

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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.