Home / 66,696.40-100,122.77-52,665.85

Finding the Fourth Proportional to 66,696.40, 100,122.77 and 52,665.85

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Solution

The fourth proportional to 66,696.40, 100,122.77 and 52,665.85 is: 79,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.40 : 100,122.77 = 52,665.85 : x
  2. Step 2: Convert to fraction form
    66,696.40/100,122.77 = 52,665.85/x
  3. Step 3: Cross multiply
    66,696.40x = 100,122.77 × 52,665.85
  4. Step 4: Simplify right side
    66,696.40x = 5,273,050,786.40
  5. Step 5: Solve for x
    x = 5,273,050,786.40/66,696.40
  6. Step 6: Final answer
    x = 79,060.50

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1.5x scale

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.