Home / 70,975.36-97,865.04-53,040.16

Finding the Fourth Proportional to 70,975.36, 97,865.04 and 53,040.16

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Solution

The fourth proportional to 70,975.36, 97,865.04 and 53,040.16 is: 73,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.36 : 97,865.04 = 53,040.16 : x
  2. Step 2: Convert to fraction form
    70,975.36/97,865.04 = 53,040.16/x
  3. Step 3: Cross multiply
    70,975.36x = 97,865.04 × 53,040.16
  4. Step 4: Simplify right side
    70,975.36x = 5,190,777,380.01
  5. Step 5: Solve for x
    x = 5,190,777,380.01/70,975.36
  6. Step 6: Final answer
    x = 73,134.92

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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.