Home / 88,072.92-121,540.59-50,347.98

Finding the Fourth Proportional to 88,072.92, 121,540.59 and 50,347.98

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Solution

The fourth proportional to 88,072.92, 121,540.59 and 50,347.98 is: 69,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,072.92 : 121,540.59 = 50,347.98 : x
  2. Step 2: Convert to fraction form
    88,072.92/121,540.59 = 50,347.98/x
  3. Step 3: Cross multiply
    88,072.92x = 121,540.59 × 50,347.98
  4. Step 4: Simplify right side
    88,072.92x = 6,119,323,194.51
  5. Step 5: Solve for x
    x = 6,119,323,194.51/88,072.92
  6. Step 6: Final answer
    x = 69,480.19

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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.