Home / 70,362.42-97,100.40-38,531.04

Finding the Fourth Proportional to 70,362.42, 97,100.40 and 38,531.04

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Solution

The fourth proportional to 70,362.42, 97,100.40 and 38,531.04 is: 53,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362.42 : 97,100.40 = 38,531.04 : x
  2. Step 2: Convert to fraction form
    70,362.42/97,100.40 = 38,531.04/x
  3. Step 3: Cross multiply
    70,362.42x = 97,100.40 × 38,531.04
  4. Step 4: Simplify right side
    70,362.42x = 3,741,379,396.42
  5. Step 5: Solve for x
    x = 3,741,379,396.42/70,362.42
  6. Step 6: Final answer
    x = 53,172.98

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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.