Home / 66,784.27-100,017.39-38,645.03

Finding the Fourth Proportional to 66,784.27, 100,017.39 and 38,645.03

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Solution

The fourth proportional to 66,784.27, 100,017.39 and 38,645.03 is: 57,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784.27 : 100,017.39 = 38,645.03 : x
  2. Step 2: Convert to fraction form
    66,784.27/100,017.39 = 38,645.03/x
  3. Step 3: Cross multiply
    66,784.27x = 100,017.39 × 38,645.03
  4. Step 4: Simplify right side
    66,784.27x = 3,865,174,633.60
  5. Step 5: Solve for x
    x = 3,865,174,633.60/66,784.27
  6. Step 6: Final answer
    x = 57,875.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.