Home / 61,980.27-92,976.56-19,849.77

Finding the Fourth Proportional to 61,980.27, 92,976.56 and 19,849.77

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Solution

The fourth proportional to 61,980.27, 92,976.56 and 19,849.77 is: 29,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.27 : 92,976.56 = 19,849.77 : x
  2. Step 2: Convert to fraction form
    61,980.27/92,976.56 = 19,849.77/x
  3. Step 3: Cross multiply
    61,980.27x = 92,976.56 × 19,849.77
  4. Step 4: Simplify right side
    61,980.27x = 1,845,563,232.14
  5. Step 5: Solve for x
    x = 1,845,563,232.14/61,980.27
  6. Step 6: Final answer
    x = 29,776.62

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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.