Home / 84,739.07-116,944.79-51,215.87

Finding the Fourth Proportional to 84,739.07, 116,944.79 and 51,215.87

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Solution

The fourth proportional to 84,739.07, 116,944.79 and 51,215.87 is: 70,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,739.07 : 116,944.79 = 51,215.87 : x
  2. Step 2: Convert to fraction form
    84,739.07/116,944.79 = 51,215.87/x
  3. Step 3: Cross multiply
    84,739.07x = 116,944.79 × 51,215.87
  4. Step 4: Simplify right side
    84,739.07x = 5,989,429,161.82
  5. Step 5: Solve for x
    x = 5,989,429,161.82/84,739.07
  6. Step 6: Final answer
    x = 70,680.85

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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.