Home / 93,118.28-128,503.62-50,676.75

Finding the Fourth Proportional to 93,118.28, 128,503.62 and 50,676.75

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Solution

The fourth proportional to 93,118.28, 128,503.62 and 50,676.75 is: 69,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.28 : 128,503.62 = 50,676.75 : x
  2. Step 2: Convert to fraction form
    93,118.28/128,503.62 = 50,676.75/x
  3. Step 3: Cross multiply
    93,118.28x = 128,503.62 × 50,676.75
  4. Step 4: Simplify right side
    93,118.28x = 6,512,145,824.84
  5. Step 5: Solve for x
    x = 6,512,145,824.84/93,118.28
  6. Step 6: Final answer
    x = 69,934.13

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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.