Home / 86,899.44-119,924.04-49,172.88

Finding the Fourth Proportional to 86,899.44, 119,924.04 and 49,172.88

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Solution

The fourth proportional to 86,899.44, 119,924.04 and 49,172.88 is: 67,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.44 : 119,924.04 = 49,172.88 : x
  2. Step 2: Convert to fraction form
    86,899.44/119,924.04 = 49,172.88/x
  3. Step 3: Cross multiply
    86,899.44x = 119,924.04 × 49,172.88
  4. Step 4: Simplify right side
    86,899.44x = 5,897,010,428.04
  5. Step 5: Solve for x
    x = 5,897,010,428.04/86,899.44
  6. Step 6: Final answer
    x = 67,860.17

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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.