Home / 97,874.90-146,834.22-31,319.02

Finding the Fourth Proportional to 97,874.90, 146,834.22 and 31,319.02

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Solution

The fourth proportional to 97,874.90, 146,834.22 and 31,319.02 is: 46,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,874.90 : 146,834.22 = 31,319.02 : x
  2. Step 2: Convert to fraction form
    97,874.90/146,834.22 = 31,319.02/x
  3. Step 3: Cross multiply
    97,874.90x = 146,834.22 × 31,319.02
  4. Step 4: Simplify right side
    97,874.90x = 4,598,703,584.08
  5. Step 5: Solve for x
    x = 4,598,703,584.08/97,874.90
  6. Step 6: Final answer
    x = 46,985.53

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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.