Home / 71,076.57-98,085.03-39,244.78

Finding the Fourth Proportional to 71,076.57, 98,085.03 and 39,244.78

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Solution

The fourth proportional to 71,076.57, 98,085.03 and 39,244.78 is: 54,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,076.57 : 98,085.03 = 39,244.78 : x
  2. Step 2: Convert to fraction form
    71,076.57/98,085.03 = 39,244.78/x
  3. Step 3: Cross multiply
    71,076.57x = 98,085.03 × 39,244.78
  4. Step 4: Simplify right side
    71,076.57x = 3,849,325,423.64
  5. Step 5: Solve for x
    x = 3,849,325,423.64/71,076.57
  6. Step 6: Final answer
    x = 54,157.44

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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.