Home / 66,918.18-92,351.94-38,237.18

Finding the Fourth Proportional to 66,918.18, 92,351.94 and 38,237.18

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Solution

The fourth proportional to 66,918.18, 92,351.94 and 38,237.18 is: 52,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.18 : 92,351.94 = 38,237.18 : x
  2. Step 2: Convert to fraction form
    66,918.18/92,351.94 = 38,237.18/x
  3. Step 3: Cross multiply
    66,918.18x = 92,351.94 × 38,237.18
  4. Step 4: Simplify right side
    66,918.18x = 3,531,277,291.37
  5. Step 5: Solve for x
    x = 3,531,277,291.37/66,918.18
  6. Step 6: Final answer
    x = 52,770.07

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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.