Home / 75,807.06-104,615.52-41,816.64

Finding the Fourth Proportional to 75,807.06, 104,615.52 and 41,816.64

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Solution

The fourth proportional to 75,807.06, 104,615.52 and 41,816.64 is: 57,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,807.06 : 104,615.52 = 41,816.64 : x
  2. Step 2: Convert to fraction form
    75,807.06/104,615.52 = 41,816.64/x
  3. Step 3: Cross multiply
    75,807.06x = 104,615.52 × 41,816.64
  4. Step 4: Simplify right side
    75,807.06x = 4,374,669,538.25
  5. Step 5: Solve for x
    x = 4,374,669,538.25/75,807.06
  6. Step 6: Final answer
    x = 57,707.94

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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.