Home / 74,668.38-102,985.44-50,754.74

Finding the Fourth Proportional to 74,668.38, 102,985.44 and 50,754.74

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Solution

The fourth proportional to 74,668.38, 102,985.44 and 50,754.74 is: 70,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.38 : 102,985.44 = 50,754.74 : x
  2. Step 2: Convert to fraction form
    74,668.38/102,985.44 = 50,754.74/x
  3. Step 3: Cross multiply
    74,668.38x = 102,985.44 × 50,754.74
  4. Step 4: Simplify right side
    74,668.38x = 5,226,999,230.99
  5. Step 5: Solve for x
    x = 5,226,999,230.99/74,668.38
  6. Step 6: Final answer
    x = 70,002.85

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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.