Home / 66,867.72-92,271.33-38,567.94

Finding the Fourth Proportional to 66,867.72, 92,271.33 and 38,567.94

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Solution

The fourth proportional to 66,867.72, 92,271.33 and 38,567.94 is: 53,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.72 : 92,271.33 = 38,567.94 : x
  2. Step 2: Convert to fraction form
    66,867.72/92,271.33 = 38,567.94/x
  3. Step 3: Cross multiply
    66,867.72x = 92,271.33 × 38,567.94
  4. Step 4: Simplify right side
    66,867.72x = 3,558,715,119.16
  5. Step 5: Solve for x
    x = 3,558,715,119.16/66,867.72
  6. Step 6: Final answer
    x = 53,220.23

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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.