Home / 77,696.46-116,561.76-46,135.35

Finding the Fourth Proportional to 77,696.46, 116,561.76 and 46,135.35

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Solution

The fourth proportional to 77,696.46, 116,561.76 and 46,135.35 is: 69,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696.46 : 116,561.76 = 46,135.35 : x
  2. Step 2: Convert to fraction form
    77,696.46/116,561.76 = 46,135.35/x
  3. Step 3: Cross multiply
    77,696.46x = 116,561.76 × 46,135.35
  4. Step 4: Simplify right side
    77,696.46x = 5,377,617,594.22
  5. Step 5: Solve for x
    x = 5,377,617,594.22/77,696.46
  6. Step 6: Final answer
    x = 69,213.16

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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.