Home / 98,902.34-148,372.23-39,742.64

Finding the Fourth Proportional to 98,902.34, 148,372.23 and 39,742.64

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Solution

The fourth proportional to 98,902.34, 148,372.23 and 39,742.64 is: 59,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,902.34 : 148,372.23 = 39,742.64 : x
  2. Step 2: Convert to fraction form
    98,902.34/148,372.23 = 39,742.64/x
  3. Step 3: Cross multiply
    98,902.34x = 148,372.23 × 39,742.64
  4. Step 4: Simplify right side
    98,902.34x = 5,896,704,122.89
  5. Step 5: Solve for x
    x = 5,896,704,122.89/98,902.34
  6. Step 6: Final answer
    x = 59,621.48

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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.