Home / 70,301.72-97,061.64-62,735.04

Finding the Fourth Proportional to 70,301.72, 97,061.64 and 62,735.04

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Solution

The fourth proportional to 70,301.72, 97,061.64 and 62,735.04 is: 86,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.72 : 97,061.64 = 62,735.04 : x
  2. Step 2: Convert to fraction form
    70,301.72/97,061.64 = 62,735.04/x
  3. Step 3: Cross multiply
    70,301.72x = 97,061.64 × 62,735.04
  4. Step 4: Simplify right side
    70,301.72x = 6,089,165,985.49
  5. Step 5: Solve for x
    x = 6,089,165,985.49/70,301.72
  6. Step 6: Final answer
    x = 86,614.75

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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.