Home / 77,390.24-116,085.32-51,088.80

Finding the Fourth Proportional to 77,390.24, 116,085.32 and 51,088.80

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Solution

The fourth proportional to 77,390.24, 116,085.32 and 51,088.80 is: 76,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,390.24 : 116,085.32 = 51,088.80 : x
  2. Step 2: Convert to fraction form
    77,390.24/116,085.32 = 51,088.80/x
  3. Step 3: Cross multiply
    77,390.24x = 116,085.32 × 51,088.80
  4. Step 4: Simplify right side
    77,390.24x = 5,930,659,696.42
  5. Step 5: Solve for x
    x = 5,930,659,696.42/77,390.24
  6. Step 6: Final answer
    x = 76,633.17

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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.