Home / 92,942.58-128,261.16-50,501.28

Finding the Fourth Proportional to 92,942.58, 128,261.16 and 50,501.28

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Solution

The fourth proportional to 92,942.58, 128,261.16 and 50,501.28 is: 69,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.58 : 128,261.16 = 50,501.28 : x
  2. Step 2: Convert to fraction form
    92,942.58/128,261.16 = 50,501.28/x
  3. Step 3: Cross multiply
    92,942.58x = 128,261.16 × 50,501.28
  4. Step 4: Simplify right side
    92,942.58x = 6,477,352,754.28
  5. Step 5: Solve for x
    x = 6,477,352,754.28/92,942.58
  6. Step 6: Final answer
    x = 69,691.98

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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.