Home / 47,853.56-71,774.76-12,795.96

Finding the Fourth Proportional to 47,853.56, 71,774.76 and 12,795.96

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Solution

The fourth proportional to 47,853.56, 71,774.76 and 12,795.96 is: 19,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.56 : 71,774.76 = 12,795.96 : x
  2. Step 2: Convert to fraction form
    47,853.56/71,774.76 = 12,795.96/x
  3. Step 3: Cross multiply
    47,853.56x = 71,774.76 × 12,795.96
  4. Step 4: Simplify right side
    47,853.56x = 918,426,957.97
  5. Step 5: Solve for x
    x = 918,426,957.97/47,853.56
  6. Step 6: Final answer
    x = 19,192.45

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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.