Home / 92,992.20-128,329.10-50,551.04

Finding the Fourth Proportional to 92,992.20, 128,329.10 and 50,551.04

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Solution

The fourth proportional to 92,992.20, 128,329.10 and 50,551.04 is: 69,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,992.20 : 128,329.10 = 50,551.04 : x
  2. Step 2: Convert to fraction form
    92,992.20/128,329.10 = 50,551.04/x
  3. Step 3: Cross multiply
    92,992.20x = 128,329.10 × 50,551.04
  4. Step 4: Simplify right side
    92,992.20x = 6,487,169,467.26
  5. Step 5: Solve for x
    x = 6,487,169,467.26/92,992.20
  6. Step 6: Final answer
    x = 69,760.36

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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.