Home / 90,369.08-124,710.04-50,083.50

Finding the Fourth Proportional to 90,369.08, 124,710.04 and 50,083.50

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Solution

The fourth proportional to 90,369.08, 124,710.04 and 50,083.50 is: 69,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.08 : 124,710.04 = 50,083.50 : x
  2. Step 2: Convert to fraction form
    90,369.08/124,710.04 = 50,083.50/x
  3. Step 3: Cross multiply
    90,369.08x = 124,710.04 × 50,083.50
  4. Step 4: Simplify right side
    90,369.08x = 6,245,915,288.34
  5. Step 5: Solve for x
    x = 6,245,915,288.34/90,369.08
  6. Step 6: Final answer
    x = 69,115.62

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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.