Home / 52,069.08-78,087.51-18,784.89

Finding the Fourth Proportional to 52,069.08, 78,087.51 and 18,784.89

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Solution

The fourth proportional to 52,069.08, 78,087.51 and 18,784.89 is: 28,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.08 : 78,087.51 = 18,784.89 : x
  2. Step 2: Convert to fraction form
    52,069.08/78,087.51 = 18,784.89/x
  3. Step 3: Cross multiply
    52,069.08x = 78,087.51 × 18,784.89
  4. Step 4: Simplify right side
    52,069.08x = 1,466,865,285.72
  5. Step 5: Solve for x
    x = 1,466,865,285.72/52,069.08
  6. Step 6: Final answer
    x = 28,171.52

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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.