Home / 92,815.26-128,086.96-52,529

Finding the Fourth Proportional to 92,815.26, 128,086.96 and 52,529

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Solution

The fourth proportional to 92,815.26, 128,086.96 and 52,529 is: 72,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.26 : 128,086.96 = 52,529 : x
  2. Step 2: Convert to fraction form
    92,815.26/128,086.96 = 52,529/x
  3. Step 3: Cross multiply
    92,815.26x = 128,086.96 × 52,529
  4. Step 4: Simplify right side
    92,815.26x = 6,728,279,921.84
  5. Step 5: Solve for x
    x = 6,728,279,921.84/92,815.26
  6. Step 6: Final answer
    x = 72,491.10

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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.