Home / 76,110.85-105,032.83-42,576.85

Finding the Fourth Proportional to 76,110.85, 105,032.83 and 42,576.85

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Solution

The fourth proportional to 76,110.85, 105,032.83 and 42,576.85 is: 58,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,110.85 : 105,032.83 = 42,576.85 : x
  2. Step 2: Convert to fraction form
    76,110.85/105,032.83 = 42,576.85/x
  3. Step 3: Cross multiply
    76,110.85x = 105,032.83 × 42,576.85
  4. Step 4: Simplify right side
    76,110.85x = 4,471,966,835.10
  5. Step 5: Solve for x
    x = 4,471,966,835.10/76,110.85
  6. Step 6: Final answer
    x = 58,755.97

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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.