Home / 76,263.29-105,242.07-41,807.80

Finding the Fourth Proportional to 76,263.29, 105,242.07 and 41,807.80

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Solution

The fourth proportional to 76,263.29, 105,242.07 and 41,807.80 is: 57,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.29 : 105,242.07 = 41,807.80 : x
  2. Step 2: Convert to fraction form
    76,263.29/105,242.07 = 41,807.80/x
  3. Step 3: Cross multiply
    76,263.29x = 105,242.07 × 41,807.80
  4. Step 4: Simplify right side
    76,263.29x = 4,399,939,110.49
  5. Step 5: Solve for x
    x = 4,399,939,110.49/76,263.29
  6. Step 6: Final answer
    x = 57,694.06

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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.