Home / 71,412.75-98,549.60-39,586.46

Finding the Fourth Proportional to 71,412.75, 98,549.60 and 39,586.46

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Solution

The fourth proportional to 71,412.75, 98,549.60 and 39,586.46 is: 54,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,412.75 : 98,549.60 = 39,586.46 : x
  2. Step 2: Convert to fraction form
    71,412.75/98,549.60 = 39,586.46/x
  3. Step 3: Cross multiply
    71,412.75x = 98,549.60 × 39,586.46
  4. Step 4: Simplify right side
    71,412.75x = 3,901,229,107.74
  5. Step 5: Solve for x
    x = 3,901,229,107.74/71,412.75
  6. Step 6: Final answer
    x = 54,629.31

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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.