Home / 61,348.85-84,636.26-38,680.60

Finding the Fourth Proportional to 61,348.85, 84,636.26 and 38,680.60

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Solution

The fourth proportional to 61,348.85, 84,636.26 and 38,680.60 is: 53,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.85 : 84,636.26 = 38,680.60 : x
  2. Step 2: Convert to fraction form
    61,348.85/84,636.26 = 38,680.60/x
  3. Step 3: Cross multiply
    61,348.85x = 84,636.26 × 38,680.60
  4. Step 4: Simplify right side
    61,348.85x = 3,273,781,318.56
  5. Step 5: Solve for x
    x = 3,273,781,318.56/61,348.85
  6. Step 6: Final answer
    x = 53,363.37

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1.5x scale

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.