Home / 105,563.64-145,641.60-60,208.98

Finding the Fourth Proportional to 105,563.64, 145,641.60 and 60,208.98

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Solution

The fourth proportional to 105,563.64, 145,641.60 and 60,208.98 is: 83,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,563.64 : 145,641.60 = 60,208.98 : x
  2. Step 2: Convert to fraction form
    105,563.64/145,641.60 = 60,208.98/x
  3. Step 3: Cross multiply
    105,563.64x = 145,641.60 × 60,208.98
  4. Step 4: Simplify right side
    105,563.64x = 8,768,932,181.57
  5. Step 5: Solve for x
    x = 8,768,932,181.57/105,563.64
  6. Step 6: Final answer
    x = 83,067.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.