Home / 77,735.45-116,603.18-42,896.54

Finding the Fourth Proportional to 77,735.45, 116,603.18 and 42,896.54

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Solution

The fourth proportional to 77,735.45, 116,603.18 and 42,896.54 is: 64,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,735.45 : 116,603.18 = 42,896.54 : x
  2. Step 2: Convert to fraction form
    77,735.45/116,603.18 = 42,896.54/x
  3. Step 3: Cross multiply
    77,735.45x = 116,603.18 × 42,896.54
  4. Step 4: Simplify right side
    77,735.45x = 5,001,872,760.51
  5. Step 5: Solve for x
    x = 5,001,872,760.51/77,735.45
  6. Step 6: Final answer
    x = 64,344.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.