Home / 71,837.96-99,132.53-39,566.27

Finding the Fourth Proportional to 71,837.96, 99,132.53 and 39,566.27

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Solution

The fourth proportional to 71,837.96, 99,132.53 and 39,566.27 is: 54,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,837.96 : 99,132.53 = 39,566.27 : x
  2. Step 2: Convert to fraction form
    71,837.96/99,132.53 = 39,566.27/x
  3. Step 3: Cross multiply
    71,837.96x = 99,132.53 × 39,566.27
  4. Step 4: Simplify right side
    71,837.96x = 3,922,304,497.76
  5. Step 5: Solve for x
    x = 3,922,304,497.76/71,837.96
  6. Step 6: Final answer
    x = 54,599.33

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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.