Home / 61,976.13-92,970.32-19,845.60

Finding the Fourth Proportional to 61,976.13, 92,970.32 and 19,845.60

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Solution

The fourth proportional to 61,976.13, 92,970.32 and 19,845.60 is: 29,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.13 : 92,970.32 = 19,845.60 : x
  2. Step 2: Convert to fraction form
    61,976.13/92,970.32 = 19,845.60/x
  3. Step 3: Cross multiply
    61,976.13x = 92,970.32 × 19,845.60
  4. Step 4: Simplify right side
    61,976.13x = 1,845,051,683.36
  5. Step 5: Solve for x
    x = 1,845,051,683.36/61,976.13
  6. Step 6: Final answer
    x = 29,770.36

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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.