Home / 86,710.12-119,668.26-52,716.04

Finding the Fourth Proportional to 86,710.12, 119,668.26 and 52,716.04

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Solution

The fourth proportional to 86,710.12, 119,668.26 and 52,716.04 is: 72,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.12 : 119,668.26 = 52,716.04 : x
  2. Step 2: Convert to fraction form
    86,710.12/119,668.26 = 52,716.04/x
  3. Step 3: Cross multiply
    86,710.12x = 119,668.26 × 52,716.04
  4. Step 4: Simplify right side
    86,710.12x = 6,308,436,780.89
  5. Step 5: Solve for x
    x = 6,308,436,780.89/86,710.12
  6. Step 6: Final answer
    x = 72,753.18

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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.