Home / 75,870.36-104,693.63-41,876.66

Finding the Fourth Proportional to 75,870.36, 104,693.63 and 41,876.66

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Solution

The fourth proportional to 75,870.36, 104,693.63 and 41,876.66 is: 57,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,870.36 : 104,693.63 = 41,876.66 : x
  2. Step 2: Convert to fraction form
    75,870.36/104,693.63 = 41,876.66/x
  3. Step 3: Cross multiply
    75,870.36x = 104,693.63 × 41,876.66
  4. Step 4: Simplify right side
    75,870.36x = 4,384,218,814.82
  5. Step 5: Solve for x
    x = 4,384,218,814.82/75,870.36
  6. Step 6: Final answer
    x = 57,785.66

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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.