Home / 102,218.97-141,062.19-56,895.98

Finding the Fourth Proportional to 102,218.97, 141,062.19 and 56,895.98

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Solution

The fourth proportional to 102,218.97, 141,062.19 and 56,895.98 is: 78,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218.97 : 141,062.19 = 56,895.98 : x
  2. Step 2: Convert to fraction form
    102,218.97/141,062.19 = 56,895.98/x
  3. Step 3: Cross multiply
    102,218.97x = 141,062.19 × 56,895.98
  4. Step 4: Simplify right side
    102,218.97x = 8,025,871,893.65
  5. Step 5: Solve for x
    x = 8,025,871,893.65/102,218.97
  6. Step 6: Final answer
    x = 78,516.46

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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.