Home / 66,722.07-92,076.52-38,427.82

Finding the Fourth Proportional to 66,722.07, 92,076.52 and 38,427.82

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Solution

The fourth proportional to 66,722.07, 92,076.52 and 38,427.82 is: 53,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.07 : 92,076.52 = 38,427.82 : x
  2. Step 2: Convert to fraction form
    66,722.07/92,076.52 = 38,427.82/x
  3. Step 3: Cross multiply
    66,722.07x = 92,076.52 × 38,427.82
  4. Step 4: Simplify right side
    66,722.07x = 3,538,299,936.79
  5. Step 5: Solve for x
    x = 3,538,299,936.79/66,722.07
  6. Step 6: Final answer
    x = 53,030.43

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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.