Home / 47,840.55-71,763.54-14,561.70

Finding the Fourth Proportional to 47,840.55, 71,763.54 and 14,561.70

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Solution

The fourth proportional to 47,840.55, 71,763.54 and 14,561.70 is: 21,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.55 : 71,763.54 = 14,561.70 : x
  2. Step 2: Convert to fraction form
    47,840.55/71,763.54 = 14,561.70/x
  3. Step 3: Cross multiply
    47,840.55x = 71,763.54 × 14,561.70
  4. Step 4: Simplify right side
    47,840.55x = 1,044,999,140.42
  5. Step 5: Solve for x
    x = 1,044,999,140.42/47,840.55
  6. Step 6: Final answer
    x = 21,843.38

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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.