Home / 66,756.48-92,134.44-38,471.28

Finding the Fourth Proportional to 66,756.48, 92,134.44 and 38,471.28

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Solution

The fourth proportional to 66,756.48, 92,134.44 and 38,471.28 is: 53,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.48 : 92,134.44 = 38,471.28 : x
  2. Step 2: Convert to fraction form
    66,756.48/92,134.44 = 38,471.28/x
  3. Step 3: Cross multiply
    66,756.48x = 92,134.44 × 38,471.28
  4. Step 4: Simplify right side
    66,756.48x = 3,544,529,838.88
  5. Step 5: Solve for x
    x = 3,544,529,838.88/66,756.48
  6. Step 6: Final answer
    x = 53,096.42

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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.