Home / 72,558.72-100,163.52-44,275.68

Finding the Fourth Proportional to 72,558.72, 100,163.52 and 44,275.68

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Solution

The fourth proportional to 72,558.72, 100,163.52 and 44,275.68 is: 61,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.72 : 100,163.52 = 44,275.68 : x
  2. Step 2: Convert to fraction form
    72,558.72/100,163.52 = 44,275.68/x
  3. Step 3: Cross multiply
    72,558.72x = 100,163.52 × 44,275.68
  4. Step 4: Simplify right side
    72,558.72x = 4,434,807,959.19
  5. Step 5: Solve for x
    x = 4,434,807,959.19/72,558.72
  6. Step 6: Final answer
    x = 61,120.26

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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.