Home / 71,566.20-98,933.40-54,653.40

Finding the Fourth Proportional to 71,566.20, 98,933.40 and 54,653.40

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Solution

The fourth proportional to 71,566.20, 98,933.40 and 54,653.40 is: 75,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.20 : 98,933.40 = 54,653.40 : x
  2. Step 2: Convert to fraction form
    71,566.20/98,933.40 = 54,653.40/x
  3. Step 3: Cross multiply
    71,566.20x = 98,933.40 × 54,653.40
  4. Step 4: Simplify right side
    71,566.20x = 5,407,046,683.56
  5. Step 5: Solve for x
    x = 5,407,046,683.56/71,566.20
  6. Step 6: Final answer
    x = 75,553.08

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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.