Home / 69,172.04-95,456.40-38,957.42

Finding the Fourth Proportional to 69,172.04, 95,456.40 and 38,957.42

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Solution

The fourth proportional to 69,172.04, 95,456.40 and 38,957.42 is: 53,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,172.04 : 95,456.40 = 38,957.42 : x
  2. Step 2: Convert to fraction form
    69,172.04/95,456.40 = 38,957.42/x
  3. Step 3: Cross multiply
    69,172.04x = 95,456.40 × 38,957.42
  4. Step 4: Simplify right side
    69,172.04x = 3,718,735,066.49
  5. Step 5: Solve for x
    x = 3,718,735,066.49/69,172.04
  6. Step 6: Final answer
    x = 53,760.67

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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.