Home / 92,905.44-128,229.87-61,077.30

Finding the Fourth Proportional to 92,905.44, 128,229.87 and 61,077.30

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Solution

The fourth proportional to 92,905.44, 128,229.87 and 61,077.30 is: 84,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,905.44 : 128,229.87 = 61,077.30 : x
  2. Step 2: Convert to fraction form
    92,905.44/128,229.87 = 61,077.30/x
  3. Step 3: Cross multiply
    92,905.44x = 128,229.87 × 61,077.30
  4. Step 4: Simplify right side
    92,905.44x = 7,831,934,238.95
  5. Step 5: Solve for x
    x = 7,831,934,238.95/92,905.44
  6. Step 6: Final answer
    x = 84,300.06

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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.