Home / 92,942.64-128,260.84-50,501.36

Finding the Fourth Proportional to 92,942.64, 128,260.84 and 50,501.36

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Solution

The fourth proportional to 92,942.64, 128,260.84 and 50,501.36 is: 69,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.64 : 128,260.84 = 50,501.36 : x
  2. Step 2: Convert to fraction form
    92,942.64/128,260.84 = 50,501.36/x
  3. Step 3: Cross multiply
    92,942.64x = 128,260.84 × 50,501.36
  4. Step 4: Simplify right side
    92,942.64x = 6,477,346,854.74
  5. Step 5: Solve for x
    x = 6,477,346,854.74/92,942.64
  6. Step 6: Final answer
    x = 69,691.88

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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.