Home / 92,844.63-128,128.23-50,405.94

Finding the Fourth Proportional to 92,844.63, 128,128.23 and 50,405.94

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Solution

The fourth proportional to 92,844.63, 128,128.23 and 50,405.94 is: 69,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.63 : 128,128.23 = 50,405.94 : x
  2. Step 2: Convert to fraction form
    92,844.63/128,128.23 = 50,405.94/x
  3. Step 3: Cross multiply
    92,844.63x = 128,128.23 × 50,405.94
  4. Step 4: Simplify right side
    92,844.63x = 6,458,423,873.69
  5. Step 5: Solve for x
    x = 6,458,423,873.69/92,844.63
  6. Step 6: Final answer
    x = 69,561.63

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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.