Home / 93,453.05-128,964.34-57,628.73

Finding the Fourth Proportional to 93,453.05, 128,964.34 and 57,628.73

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Solution

The fourth proportional to 93,453.05, 128,964.34 and 57,628.73 is: 79,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,453.05 : 128,964.34 = 57,628.73 : x
  2. Step 2: Convert to fraction form
    93,453.05/128,964.34 = 57,628.73/x
  3. Step 3: Cross multiply
    93,453.05x = 128,964.34 × 57,628.73
  4. Step 4: Simplify right side
    93,453.05x = 7,432,051,129.49
  5. Step 5: Solve for x
    x = 7,432,051,129.49/93,453.05
  6. Step 6: Final answer
    x = 79,527.11

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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.