Home / 92,619.24-127,820.43-56,804.37

Finding the Fourth Proportional to 92,619.24, 127,820.43 and 56,804.37

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Solution

The fourth proportional to 92,619.24, 127,820.43 and 56,804.37 is: 78,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619.24 : 127,820.43 = 56,804.37 : x
  2. Step 2: Convert to fraction form
    92,619.24/127,820.43 = 56,804.37/x
  3. Step 3: Cross multiply
    92,619.24x = 127,820.43 × 56,804.37
  4. Step 4: Simplify right side
    92,619.24x = 7,260,758,999.28
  5. Step 5: Solve for x
    x = 7,260,758,999.28/92,619.24
  6. Step 6: Final answer
    x = 78,393.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.