Home / 77,480.19-116,219.75-51,302.07

Finding the Fourth Proportional to 77,480.19, 116,219.75 and 51,302.07

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Solution

The fourth proportional to 77,480.19, 116,219.75 and 51,302.07 is: 76,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,480.19 : 116,219.75 = 51,302.07 : x
  2. Step 2: Convert to fraction form
    77,480.19/116,219.75 = 51,302.07/x
  3. Step 3: Cross multiply
    77,480.19x = 116,219.75 × 51,302.07
  4. Step 4: Simplify right side
    77,480.19x = 5,962,313,493.37
  5. Step 5: Solve for x
    x = 5,962,313,493.37/77,480.19
  6. Step 6: Final answer
    x = 76,952.75

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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.