Home / 53,156.30-79,706.77-19,848.97

Finding the Fourth Proportional to 53,156.30, 79,706.77 and 19,848.97

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Solution

The fourth proportional to 53,156.30, 79,706.77 and 19,848.97 is: 29,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.30 : 79,706.77 = 19,848.97 : x
  2. Step 2: Convert to fraction form
    53,156.30/79,706.77 = 19,848.97/x
  3. Step 3: Cross multiply
    53,156.30x = 79,706.77 × 19,848.97
  4. Step 4: Simplify right side
    53,156.30x = 1,582,097,336.54
  5. Step 5: Solve for x
    x = 1,582,097,336.54/53,156.30
  6. Step 6: Final answer
    x = 29,763.12

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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.