Home / 103,837.73-143,295.98-56,091.06

Finding the Fourth Proportional to 103,837.73, 143,295.98 and 56,091.06

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Solution

The fourth proportional to 103,837.73, 143,295.98 and 56,091.06 is: 77,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.73 : 143,295.98 = 56,091.06 : x
  2. Step 2: Convert to fraction form
    103,837.73/143,295.98 = 56,091.06/x
  3. Step 3: Cross multiply
    103,837.73x = 143,295.98 × 56,091.06
  4. Step 4: Simplify right side
    103,837.73x = 8,037,623,131.48
  5. Step 5: Solve for x
    x = 8,037,623,131.48/103,837.73
  6. Step 6: Final answer
    x = 77,405.62

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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.