Home / 71,416.56-98,551.31-39,585.18

Finding the Fourth Proportional to 71,416.56, 98,551.31 and 39,585.18

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Solution

The fourth proportional to 71,416.56, 98,551.31 and 39,585.18 is: 54,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416.56 : 98,551.31 = 39,585.18 : x
  2. Step 2: Convert to fraction form
    71,416.56/98,551.31 = 39,585.18/x
  3. Step 3: Cross multiply
    71,416.56x = 98,551.31 × 39,585.18
  4. Step 4: Simplify right side
    71,416.56x = 3,901,171,147.66
  5. Step 5: Solve for x
    x = 3,901,171,147.66/71,416.56
  6. Step 6: Final answer
    x = 54,625.58

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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.