Home / 74,857.50-103,267.44-50,666.85

Finding the Fourth Proportional to 74,857.50, 103,267.44 and 50,666.85

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Solution

The fourth proportional to 74,857.50, 103,267.44 and 50,666.85 is: 69,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,857.50 : 103,267.44 = 50,666.85 : x
  2. Step 2: Convert to fraction form
    74,857.50/103,267.44 = 50,666.85/x
  3. Step 3: Cross multiply
    74,857.50x = 103,267.44 × 50,666.85
  4. Step 4: Simplify right side
    74,857.50x = 5,232,235,892.36
  5. Step 5: Solve for x
    x = 5,232,235,892.36/74,857.50
  6. Step 6: Final answer
    x = 69,895.95

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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.