Home / 70,968.75-97,822.62-51,818.16

Finding the Fourth Proportional to 70,968.75, 97,822.62 and 51,818.16

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Solution

The fourth proportional to 70,968.75, 97,822.62 and 51,818.16 is: 71,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.75 : 97,822.62 = 51,818.16 : x
  2. Step 2: Convert to fraction form
    70,968.75/97,822.62 = 51,818.16/x
  3. Step 3: Cross multiply
    70,968.75x = 97,822.62 × 51,818.16
  4. Step 4: Simplify right side
    70,968.75x = 5,068,988,174.78
  5. Step 5: Solve for x
    x = 5,068,988,174.78/70,968.75
  6. Step 6: Final answer
    x = 71,425.64

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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.