Home / 71,646.04-107,266.29-54,759.70

Finding the Fourth Proportional to 71,646.04, 107,266.29 and 54,759.70

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Solution

The fourth proportional to 71,646.04, 107,266.29 and 54,759.70 is: 81,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,646.04 : 107,266.29 = 54,759.70 : x
  2. Step 2: Convert to fraction form
    71,646.04/107,266.29 = 54,759.70/x
  3. Step 3: Cross multiply
    71,646.04x = 107,266.29 × 54,759.70
  4. Step 4: Simplify right side
    71,646.04x = 5,873,869,860.51
  5. Step 5: Solve for x
    x = 5,873,869,860.51/71,646.04
  6. Step 6: Final answer
    x = 81,984.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.