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Finding the Fourth Proportional to 73,238.50, 101,079.92 and 46,383.51

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Solution

The fourth proportional to 73,238.50, 101,079.92 and 46,383.51 is: 64,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,238.50 : 101,079.92 = 46,383.51 : x
  2. Step 2: Convert to fraction form
    73,238.50/101,079.92 = 46,383.51/x
  3. Step 3: Cross multiply
    73,238.50x = 101,079.92 × 46,383.51
  4. Step 4: Simplify right side
    73,238.50x = 4,688,441,480.12
  5. Step 5: Solve for x
    x = 4,688,441,480.12/73,238.50
  6. Step 6: Final answer
    x = 64,016.08

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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.