Home / 76,855.27-106,042.21-46,639.91

Finding the Fourth Proportional to 76,855.27, 106,042.21 and 46,639.91

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Solution

The fourth proportional to 76,855.27, 106,042.21 and 46,639.91 is: 64,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,855.27 : 106,042.21 = 46,639.91 : x
  2. Step 2: Convert to fraction form
    76,855.27/106,042.21 = 46,639.91/x
  3. Step 3: Cross multiply
    76,855.27x = 106,042.21 × 46,639.91
  4. Step 4: Simplify right side
    76,855.27x = 4,945,798,600.39
  5. Step 5: Solve for x
    x = 4,945,798,600.39/76,855.27
  6. Step 6: Final answer
    x = 64,352.11

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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.