Home / 66,766.56-92,200.30-42,934.64

Finding the Fourth Proportional to 66,766.56, 92,200.30 and 42,934.64

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Solution

The fourth proportional to 66,766.56, 92,200.30 and 42,934.64 is: 59,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,766.56 : 92,200.30 = 42,934.64 : x
  2. Step 2: Convert to fraction form
    66,766.56/92,200.30 = 42,934.64/x
  3. Step 3: Cross multiply
    66,766.56x = 92,200.30 × 42,934.64
  4. Step 4: Simplify right side
    66,766.56x = 3,958,586,688.39
  5. Step 5: Solve for x
    x = 3,958,586,688.39/66,766.56
  6. Step 6: Final answer
    x = 59,289.96

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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.