Home / 76,375.10-105,392.87-46,142.55

Finding the Fourth Proportional to 76,375.10, 105,392.87 and 46,142.55

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Solution

The fourth proportional to 76,375.10, 105,392.87 and 46,142.55 is: 63,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375.10 : 105,392.87 = 46,142.55 : x
  2. Step 2: Convert to fraction form
    76,375.10/105,392.87 = 46,142.55/x
  3. Step 3: Cross multiply
    76,375.10x = 105,392.87 × 46,142.55
  4. Step 4: Simplify right side
    76,375.10x = 4,863,095,542.91
  5. Step 5: Solve for x
    x = 4,863,095,542.91/76,375.10
  6. Step 6: Final answer
    x = 63,673.84

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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.