Home / 92,826.56-128,074.79-52,539.45

Finding the Fourth Proportional to 92,826.56, 128,074.79 and 52,539.45

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Solution

The fourth proportional to 92,826.56, 128,074.79 and 52,539.45 is: 72,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.56 : 128,074.79 = 52,539.45 : x
  2. Step 2: Convert to fraction form
    92,826.56/128,074.79 = 52,539.45/x
  3. Step 3: Cross multiply
    92,826.56x = 128,074.79 × 52,539.45
  4. Step 4: Simplify right side
    92,826.56x = 6,728,979,101.42
  5. Step 5: Solve for x
    x = 6,728,979,101.42/92,826.56
  6. Step 6: Final answer
    x = 72,489.81

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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.