Home / 92,961.12-128,285.96-52,682.54

Finding the Fourth Proportional to 92,961.12, 128,285.96 and 52,682.54

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Solution

The fourth proportional to 92,961.12, 128,285.96 and 52,682.54 is: 72,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.12 : 128,285.96 = 52,682.54 : x
  2. Step 2: Convert to fraction form
    92,961.12/128,285.96 = 52,682.54/x
  3. Step 3: Cross multiply
    92,961.12x = 128,285.96 × 52,682.54
  4. Step 4: Simplify right side
    92,961.12x = 6,758,430,219.14
  5. Step 5: Solve for x
    x = 6,758,430,219.14/92,961.12
  6. Step 6: Final answer
    x = 72,701.69

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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.