Home / 93,171.33-128,575.89-50,729.76

Finding the Fourth Proportional to 93,171.33, 128,575.89 and 50,729.76

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Solution

The fourth proportional to 93,171.33, 128,575.89 and 50,729.76 is: 70,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,171.33 : 128,575.89 = 50,729.76 : x
  2. Step 2: Convert to fraction form
    93,171.33/128,575.89 = 50,729.76/x
  3. Step 3: Cross multiply
    93,171.33x = 128,575.89 × 50,729.76
  4. Step 4: Simplify right side
    93,171.33x = 6,522,624,041.49
  5. Step 5: Solve for x
    x = 6,522,624,041.49/93,171.33
  6. Step 6: Final answer
    x = 70,006.77

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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.