Home / 93,380.14-128,865.53-50,939.56

Finding the Fourth Proportional to 93,380.14, 128,865.53 and 50,939.56

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Solution

The fourth proportional to 93,380.14, 128,865.53 and 50,939.56 is: 70,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.14 : 128,865.53 = 50,939.56 : x
  2. Step 2: Convert to fraction form
    93,380.14/128,865.53 = 50,939.56/x
  3. Step 3: Cross multiply
    93,380.14x = 128,865.53 × 50,939.56
  4. Step 4: Simplify right side
    93,380.14x = 6,564,353,397.37
  5. Step 5: Solve for x
    x = 6,564,353,397.37/93,380.14
  6. Step 6: Final answer
    x = 70,297.10

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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.