Home / 102,861.15-141,891.21-59,835.80

Finding the Fourth Proportional to 102,861.15, 141,891.21 and 59,835.80

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Solution

The fourth proportional to 102,861.15, 141,891.21 and 59,835.80 is: 82,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861.15 : 141,891.21 = 59,835.80 : x
  2. Step 2: Convert to fraction form
    102,861.15/141,891.21 = 59,835.80/x
  3. Step 3: Cross multiply
    102,861.15x = 141,891.21 × 59,835.80
  4. Step 4: Simplify right side
    102,861.15x = 8,490,174,063.32
  5. Step 5: Solve for x
    x = 8,490,174,063.32/102,861.15
  6. Step 6: Final answer
    x = 82,540.14

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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.