Home / 76,100.64-104,995.08-45,895.20

Finding the Fourth Proportional to 76,100.64, 104,995.08 and 45,895.20

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Solution

The fourth proportional to 76,100.64, 104,995.08 and 45,895.20 is: 63,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100.64 : 104,995.08 = 45,895.20 : x
  2. Step 2: Convert to fraction form
    76,100.64/104,995.08 = 45,895.20/x
  3. Step 3: Cross multiply
    76,100.64x = 104,995.08 × 45,895.20
  4. Step 4: Simplify right side
    76,100.64x = 4,818,770,195.62
  5. Step 5: Solve for x
    x = 4,818,770,195.62/76,100.64
  6. Step 6: Final answer
    x = 63,321.02

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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.