Home / 92,936.85-128,273.37-61,108.71

Finding the Fourth Proportional to 92,936.85, 128,273.37 and 61,108.71

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Solution

The fourth proportional to 92,936.85, 128,273.37 and 61,108.71 is: 84,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,936.85 : 128,273.37 = 61,108.71 : x
  2. Step 2: Convert to fraction form
    92,936.85/128,273.37 = 61,108.71/x
  3. Step 3: Cross multiply
    92,936.85x = 128,273.37 × 61,108.71
  4. Step 4: Simplify right side
    92,936.85x = 7,838,620,168.05
  5. Step 5: Solve for x
    x = 7,838,620,168.05/92,936.85
  6. Step 6: Final answer
    x = 84,343.51

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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.