Home / 51,087.79-70,500.04-29,578.44

Finding the Fourth Proportional to 51,087.79, 70,500.04 and 29,578.44

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Solution

The fourth proportional to 51,087.79, 70,500.04 and 29,578.44 is: 40,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.79 : 70,500.04 = 29,578.44 : x
  2. Step 2: Convert to fraction form
    51,087.79/70,500.04 = 29,578.44/x
  3. Step 3: Cross multiply
    51,087.79x = 70,500.04 × 29,578.44
  4. Step 4: Simplify right side
    51,087.79x = 2,085,281,129.19
  5. Step 5: Solve for x
    x = 2,085,281,129.19/51,087.79
  6. Step 6: Final answer
    x = 40,817.60

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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.