Home / 92,999.10-128,332.44-50,556.72

Finding the Fourth Proportional to 92,999.10, 128,332.44 and 50,556.72

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Solution

The fourth proportional to 92,999.10, 128,332.44 and 50,556.72 is: 69,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.10 : 128,332.44 = 50,556.72 : x
  2. Step 2: Convert to fraction form
    92,999.10/128,332.44 = 50,556.72/x
  3. Step 3: Cross multiply
    92,999.10x = 128,332.44 × 50,556.72
  4. Step 4: Simplify right side
    92,999.10x = 6,488,067,236.00
  5. Step 5: Solve for x
    x = 6,488,067,236.00/92,999.10
  6. Step 6: Final answer
    x = 69,764.84

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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.