Home / 76,366.96-105,382.76-42,375.04

Finding the Fourth Proportional to 76,366.96, 105,382.76 and 42,375.04

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Solution

The fourth proportional to 76,366.96, 105,382.76 and 42,375.04 is: 58,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.96 : 105,382.76 = 42,375.04 : x
  2. Step 2: Convert to fraction form
    76,366.96/105,382.76 = 42,375.04/x
  3. Step 3: Cross multiply
    76,366.96x = 105,382.76 × 42,375.04
  4. Step 4: Simplify right side
    76,366.96x = 4,465,598,194.98
  5. Step 5: Solve for x
    x = 4,465,598,194.98/76,366.96
  6. Step 6: Final answer
    x = 58,475.53

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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.