Home / 66,770.40-92,176.56-41,633.76

Finding the Fourth Proportional to 66,770.40, 92,176.56 and 41,633.76

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Solution

The fourth proportional to 66,770.40, 92,176.56 and 41,633.76 is: 57,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.40 : 92,176.56 = 41,633.76 : x
  2. Step 2: Convert to fraction form
    66,770.40/92,176.56 = 41,633.76/x
  3. Step 3: Cross multiply
    66,770.40x = 92,176.56 × 41,633.76
  4. Step 4: Simplify right side
    66,770.40x = 3,837,656,776.67
  5. Step 5: Solve for x
    x = 3,837,656,776.67/66,770.40
  6. Step 6: Final answer
    x = 57,475.42

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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.