Home / 93,378.22-128,861.49-50,936.38

Finding the Fourth Proportional to 93,378.22, 128,861.49 and 50,936.38

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Solution

The fourth proportional to 93,378.22, 128,861.49 and 50,936.38 is: 70,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.22 : 128,861.49 = 50,936.38 : x
  2. Step 2: Convert to fraction form
    93,378.22/128,861.49 = 50,936.38/x
  3. Step 3: Cross multiply
    93,378.22x = 128,861.49 × 50,936.38
  4. Step 4: Simplify right side
    93,378.22x = 6,563,737,822.01
  5. Step 5: Solve for x
    x = 6,563,737,822.01/93,378.22
  6. Step 6: Final answer
    x = 70,291.96

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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.