Home / 51,346.53-70,855.68-28,681.02

Finding the Fourth Proportional to 51,346.53, 70,855.68 and 28,681.02

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Solution

The fourth proportional to 51,346.53, 70,855.68 and 28,681.02 is: 39,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.53 : 70,855.68 = 28,681.02 : x
  2. Step 2: Convert to fraction form
    51,346.53/70,855.68 = 28,681.02/x
  3. Step 3: Cross multiply
    51,346.53x = 70,855.68 × 28,681.02
  4. Step 4: Simplify right side
    51,346.53x = 2,032,213,175.19
  5. Step 5: Solve for x
    x = 2,032,213,175.19/51,346.53
  6. Step 6: Final answer
    x = 39,578.39

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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.