Home / 84,288.64-116,320.61-50,316.85

Finding the Fourth Proportional to 84,288.64, 116,320.61 and 50,316.85

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Solution

The fourth proportional to 84,288.64, 116,320.61 and 50,316.85 is: 69,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,288.64 : 116,320.61 = 50,316.85 : x
  2. Step 2: Convert to fraction form
    84,288.64/116,320.61 = 50,316.85/x
  3. Step 3: Cross multiply
    84,288.64x = 116,320.61 × 50,316.85
  4. Step 4: Simplify right side
    84,288.64x = 5,852,885,852.09
  5. Step 5: Solve for x
    x = 5,852,885,852.09/84,288.64
  6. Step 6: Final answer
    x = 69,438.61

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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.