Home / 66,760.14-92,122.74-39,897.30

Finding the Fourth Proportional to 66,760.14, 92,122.74 and 39,897.30

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Solution

The fourth proportional to 66,760.14, 92,122.74 and 39,897.30 is: 55,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.14 : 92,122.74 = 39,897.30 : x
  2. Step 2: Convert to fraction form
    66,760.14/92,122.74 = 39,897.30/x
  3. Step 3: Cross multiply
    66,760.14x = 92,122.74 × 39,897.30
  4. Step 4: Simplify right side
    66,760.14x = 3,675,448,594.60
  5. Step 5: Solve for x
    x = 3,675,448,594.60/66,760.14
  6. Step 6: Final answer
    x = 55,054.54

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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.