Home / 66,920.24-92,350.40-36,705.78

Finding the Fourth Proportional to 66,920.24, 92,350.40 and 36,705.78

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Solution

The fourth proportional to 66,920.24, 92,350.40 and 36,705.78 is: 50,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,920.24 : 92,350.40 = 36,705.78 : x
  2. Step 2: Convert to fraction form
    66,920.24/92,350.40 = 36,705.78/x
  3. Step 3: Cross multiply
    66,920.24x = 92,350.40 × 36,705.78
  4. Step 4: Simplify right side
    66,920.24x = 3,389,793,281.78
  5. Step 5: Solve for x
    x = 3,389,793,281.78/66,920.24
  6. Step 6: Final answer
    x = 50,654.23

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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.