Home / 121,925.27-182,965.68-51,804.61

Finding the Fourth Proportional to 121,925.27, 182,965.68 and 51,804.61

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Solution

The fourth proportional to 121,925.27, 182,965.68 and 51,804.61 is: 77,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,925.27 : 182,965.68 = 51,804.61 : x
  2. Step 2: Convert to fraction form
    121,925.27/182,965.68 = 51,804.61/x
  3. Step 3: Cross multiply
    121,925.27x = 182,965.68 × 51,804.61
  4. Step 4: Simplify right side
    121,925.27x = 9,478,465,238.37
  5. Step 5: Solve for x
    x = 9,478,465,238.37/121,925.27
  6. Step 6: Final answer
    x = 77,739.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.