Home / 71,410.14-98,546-39,583.84

Finding the Fourth Proportional to 71,410.14, 98,546 and 39,583.84

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Solution

The fourth proportional to 71,410.14, 98,546 and 39,583.84 is: 54,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.14 : 98,546 = 39,583.84 : x
  2. Step 2: Convert to fraction form
    71,410.14/98,546 = 39,583.84/x
  3. Step 3: Cross multiply
    71,410.14x = 98,546 × 39,583.84
  4. Step 4: Simplify right side
    71,410.14x = 3,900,829,096.64
  5. Step 5: Solve for x
    x = 3,900,829,096.64/71,410.14
  6. Step 6: Final answer
    x = 54,625.70

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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.