Home / 61,918.22-92,862.78-19,802.06

Finding the Fourth Proportional to 61,918.22, 92,862.78 and 19,802.06

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Solution

The fourth proportional to 61,918.22, 92,862.78 and 19,802.06 is: 29,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.22 : 92,862.78 = 19,802.06 : x
  2. Step 2: Convert to fraction form
    61,918.22/92,862.78 = 19,802.06/x
  3. Step 3: Cross multiply
    61,918.22x = 92,862.78 × 19,802.06
  4. Step 4: Simplify right side
    61,918.22x = 1,838,874,341.33
  5. Step 5: Solve for x
    x = 1,838,874,341.33/61,918.22
  6. Step 6: Final answer
    x = 29,698.44

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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.