Home / 66,966.11-92,386.92-38,270.37

Finding the Fourth Proportional to 66,966.11, 92,386.92 and 38,270.37

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Solution

The fourth proportional to 66,966.11, 92,386.92 and 38,270.37 is: 52,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.11 : 92,386.92 = 38,270.37 : x
  2. Step 2: Convert to fraction form
    66,966.11/92,386.92 = 38,270.37/x
  3. Step 3: Cross multiply
    66,966.11x = 92,386.92 × 38,270.37
  4. Step 4: Simplify right side
    66,966.11x = 3,535,681,611.56
  5. Step 5: Solve for x
    x = 3,535,681,611.56/66,966.11
  6. Step 6: Final answer
    x = 52,798.08

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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.