Home / 61,083.04-91,618.80-19,518.88

Finding the Fourth Proportional to 61,083.04, 91,618.80 and 19,518.88

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Solution

The fourth proportional to 61,083.04, 91,618.80 and 19,518.88 is: 29,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.04 : 91,618.80 = 19,518.88 : x
  2. Step 2: Convert to fraction form
    61,083.04/91,618.80 = 19,518.88/x
  3. Step 3: Cross multiply
    61,083.04x = 91,618.80 × 19,518.88
  4. Step 4: Simplify right side
    61,083.04x = 1,788,296,362.94
  5. Step 5: Solve for x
    x = 1,788,296,362.94/61,083.04
  6. Step 6: Final answer
    x = 29,276.48

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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.