Home / 67,004.46-92,459.61-38,709.54

Finding the Fourth Proportional to 67,004.46, 92,459.61 and 38,709.54

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Solution

The fourth proportional to 67,004.46, 92,459.61 and 38,709.54 is: 53,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,004.46 : 92,459.61 = 38,709.54 : x
  2. Step 2: Convert to fraction form
    67,004.46/92,459.61 = 38,709.54/x
  3. Step 3: Cross multiply
    67,004.46x = 92,459.61 × 38,709.54
  4. Step 4: Simplify right side
    67,004.46x = 3,579,068,971.68
  5. Step 5: Solve for x
    x = 3,579,068,971.68/67,004.46
  6. Step 6: Final answer
    x = 53,415.38

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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.