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Finding the Fourth Proportional to 93,372.33, 128,855.57 and 50,932.38

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Solution

The fourth proportional to 93,372.33, 128,855.57 and 50,932.38 is: 70,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,372.33 : 128,855.57 = 50,932.38 : x
  2. Step 2: Convert to fraction form
    93,372.33/128,855.57 = 50,932.38/x
  3. Step 3: Cross multiply
    93,372.33x = 128,855.57 × 50,932.38
  4. Step 4: Simplify right side
    93,372.33x = 6,562,920,856.36
  5. Step 5: Solve for x
    x = 6,562,920,856.36/93,372.33
  6. Step 6: Final answer
    x = 70,287.64

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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.