Home / 92,761.61-128,011.39-50,320.44

Finding the Fourth Proportional to 92,761.61, 128,011.39 and 50,320.44

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Solution

The fourth proportional to 92,761.61, 128,011.39 and 50,320.44 is: 69,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.61 : 128,011.39 = 50,320.44 : x
  2. Step 2: Convert to fraction form
    92,761.61/128,011.39 = 50,320.44/x
  3. Step 3: Cross multiply
    92,761.61x = 128,011.39 × 50,320.44
  4. Step 4: Simplify right side
    92,761.61x = 6,441,589,344.01
  5. Step 5: Solve for x
    x = 6,441,589,344.01/92,761.61
  6. Step 6: Final answer
    x = 69,442.41

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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.