Home / 92,995.11-128,333.43-50,553.54

Finding the Fourth Proportional to 92,995.11, 128,333.43 and 50,553.54

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Solution

The fourth proportional to 92,995.11, 128,333.43 and 50,553.54 is: 69,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.11 : 128,333.43 = 50,553.54 : x
  2. Step 2: Convert to fraction form
    92,995.11/128,333.43 = 50,553.54/x
  3. Step 3: Cross multiply
    92,995.11x = 128,333.43 × 50,553.54
  4. Step 4: Simplify right side
    92,995.11x = 6,487,709,186.84
  5. Step 5: Solve for x
    x = 6,487,709,186.84/92,995.11
  6. Step 6: Final answer
    x = 69,763.98

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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.