Home / 78,635.70-108,554.04-50,357.52

Finding the Fourth Proportional to 78,635.70, 108,554.04 and 50,357.52

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Solution

The fourth proportional to 78,635.70, 108,554.04 and 50,357.52 is: 69,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,635.70 : 108,554.04 = 50,357.52 : x
  2. Step 2: Convert to fraction form
    78,635.70/108,554.04 = 50,357.52/x
  3. Step 3: Cross multiply
    78,635.70x = 108,554.04 × 50,357.52
  4. Step 4: Simplify right side
    78,635.70x = 5,466,512,240.38
  5. Step 5: Solve for x
    x = 5,466,512,240.38/78,635.70
  6. Step 6: Final answer
    x = 69,516.93

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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.