Home / 97,836.42-146,742.21-31,271.04

Finding the Fourth Proportional to 97,836.42, 146,742.21 and 31,271.04

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Solution

The fourth proportional to 97,836.42, 146,742.21 and 31,271.04 is: 46,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.42 : 146,742.21 = 31,271.04 : x
  2. Step 2: Convert to fraction form
    97,836.42/146,742.21 = 31,271.04/x
  3. Step 3: Cross multiply
    97,836.42x = 146,742.21 × 31,271.04
  4. Step 4: Simplify right side
    97,836.42x = 4,588,781,518.60
  5. Step 5: Solve for x
    x = 4,588,781,518.60/97,836.42
  6. Step 6: Final answer
    x = 46,902.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.