Home / 67,171.46-92,686.26-38,871.68

Finding the Fourth Proportional to 67,171.46, 92,686.26 and 38,871.68

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Solution

The fourth proportional to 67,171.46, 92,686.26 and 38,871.68 is: 53,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,171.46 : 92,686.26 = 38,871.68 : x
  2. Step 2: Convert to fraction form
    67,171.46/92,686.26 = 38,871.68/x
  3. Step 3: Cross multiply
    67,171.46x = 92,686.26 × 38,871.68
  4. Step 4: Simplify right side
    67,171.46x = 3,602,870,639.12
  5. Step 5: Solve for x
    x = 3,602,870,639.12/67,171.46
  6. Step 6: Final answer
    x = 53,636.93

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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.