Home / 104,963.81-157,336.37-45,783.59

Finding the Fourth Proportional to 104,963.81, 157,336.37 and 45,783.59

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Solution

The fourth proportional to 104,963.81, 157,336.37 and 45,783.59 is: 68,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.81 : 157,336.37 = 45,783.59 : x
  2. Step 2: Convert to fraction form
    104,963.81/157,336.37 = 45,783.59/x
  3. Step 3: Cross multiply
    104,963.81x = 157,336.37 × 45,783.59
  4. Step 4: Simplify right side
    104,963.81x = 7,203,423,627.25
  5. Step 5: Solve for x
    x = 7,203,423,627.25/104,963.81
  6. Step 6: Final answer
    x = 68,627.69

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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.