Home / 88,379.93-121,964.13-50,146.98

Finding the Fourth Proportional to 88,379.93, 121,964.13 and 50,146.98

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Solution

The fourth proportional to 88,379.93, 121,964.13 and 50,146.98 is: 69,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,379.93 : 121,964.13 = 50,146.98 : x
  2. Step 2: Convert to fraction form
    88,379.93/121,964.13 = 50,146.98/x
  3. Step 3: Cross multiply
    88,379.93x = 121,964.13 × 50,146.98
  4. Step 4: Simplify right side
    88,379.93x = 6,116,132,787.83
  5. Step 5: Solve for x
    x = 6,116,132,787.83/88,379.93
  6. Step 6: Final answer
    x = 69,202.74

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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.