Home / 66,944.28-92,382.33-38,649.36

Finding the Fourth Proportional to 66,944.28, 92,382.33 and 38,649.36

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Solution

The fourth proportional to 66,944.28, 92,382.33 and 38,649.36 is: 53,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,944.28 : 92,382.33 = 38,649.36 : x
  2. Step 2: Convert to fraction form
    66,944.28/92,382.33 = 38,649.36/x
  3. Step 3: Cross multiply
    66,944.28x = 92,382.33 × 38,649.36
  4. Step 4: Simplify right side
    66,944.28x = 3,570,517,929.81
  5. Step 5: Solve for x
    x = 3,570,517,929.81/66,944.28
  6. Step 6: Final answer
    x = 53,335.67

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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.