Home / 84,736.32-116,940.99-51,213.12

Finding the Fourth Proportional to 84,736.32, 116,940.99 and 51,213.12

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Solution

The fourth proportional to 84,736.32, 116,940.99 and 51,213.12 is: 70,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.32 : 116,940.99 = 51,213.12 : x
  2. Step 2: Convert to fraction form
    84,736.32/116,940.99 = 51,213.12/x
  3. Step 3: Cross multiply
    84,736.32x = 116,940.99 × 51,213.12
  4. Step 4: Simplify right side
    84,736.32x = 5,988,912,953.79
  5. Step 5: Solve for x
    x = 5,988,912,953.79/84,736.32
  6. Step 6: Final answer
    x = 70,677.05

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1.5x scale

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.