Home / 92,945.36-128,265.41-50,503.90

Finding the Fourth Proportional to 92,945.36, 128,265.41 and 50,503.90

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Solution

The fourth proportional to 92,945.36, 128,265.41 and 50,503.90 is: 69,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.36 : 128,265.41 = 50,503.90 : x
  2. Step 2: Convert to fraction form
    92,945.36/128,265.41 = 50,503.90/x
  3. Step 3: Cross multiply
    92,945.36x = 128,265.41 × 50,503.90
  4. Step 4: Simplify right side
    92,945.36x = 6,477,903,078.94
  5. Step 5: Solve for x
    x = 6,477,903,078.94/92,945.36
  6. Step 6: Final answer
    x = 69,695.82

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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.