Home / 66,913.70-92,325.96-38,224.20

Finding the Fourth Proportional to 66,913.70, 92,325.96 and 38,224.20

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Solution

The fourth proportional to 66,913.70, 92,325.96 and 38,224.20 is: 52,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.70 : 92,325.96 = 38,224.20 : x
  2. Step 2: Convert to fraction form
    66,913.70/92,325.96 = 38,224.20/x
  3. Step 3: Cross multiply
    66,913.70x = 92,325.96 × 38,224.20
  4. Step 4: Simplify right side
    66,913.70x = 3,529,085,960.23
  5. Step 5: Solve for x
    x = 3,529,085,960.23/66,913.70
  6. Step 6: Final answer
    x = 52,740.86

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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.