Home / 51,504.18-71,069.90-28,840.02

Finding the Fourth Proportional to 51,504.18, 71,069.90 and 28,840.02

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Solution

The fourth proportional to 51,504.18, 71,069.90 and 28,840.02 is: 39,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.18 : 71,069.90 = 28,840.02 : x
  2. Step 2: Convert to fraction form
    51,504.18/71,069.90 = 28,840.02/x
  3. Step 3: Cross multiply
    51,504.18x = 71,069.90 × 28,840.02
  4. Step 4: Simplify right side
    51,504.18x = 2,049,657,193.20
  5. Step 5: Solve for x
    x = 2,049,657,193.20/51,504.18
  6. Step 6: Final answer
    x = 39,795.94

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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.