Home / 75,630.16-104,392.60-43,806.88

Finding the Fourth Proportional to 75,630.16, 104,392.60 and 43,806.88

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Solution

The fourth proportional to 75,630.16, 104,392.60 and 43,806.88 is: 60,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.16 : 104,392.60 = 43,806.88 : x
  2. Step 2: Convert to fraction form
    75,630.16/104,392.60 = 43,806.88/x
  3. Step 3: Cross multiply
    75,630.16x = 104,392.60 × 43,806.88
  4. Step 4: Simplify right side
    75,630.16x = 4,573,114,101.09
  5. Step 5: Solve for x
    x = 4,573,114,101.09/75,630.16
  6. Step 6: Final answer
    x = 60,466.80

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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.