Home / 66,684.48-92,047.76-38,401.44

Finding the Fourth Proportional to 66,684.48, 92,047.76 and 38,401.44

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Solution

The fourth proportional to 66,684.48, 92,047.76 and 38,401.44 is: 53,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,684.48 : 92,047.76 = 38,401.44 : x
  2. Step 2: Convert to fraction form
    66,684.48/92,047.76 = 38,401.44/x
  3. Step 3: Cross multiply
    66,684.48x = 92,047.76 × 38,401.44
  4. Step 4: Simplify right side
    66,684.48x = 3,534,766,532.77
  5. Step 5: Solve for x
    x = 3,534,766,532.77/66,684.48
  6. Step 6: Final answer
    x = 53,007.33

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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.