Home / 58,778.10-81,122.94-33,285.78

Finding the Fourth Proportional to 58,778.10, 81,122.94 and 33,285.78

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Solution

The fourth proportional to 58,778.10, 81,122.94 and 33,285.78 is: 45,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,778.10 : 81,122.94 = 33,285.78 : x
  2. Step 2: Convert to fraction form
    58,778.10/81,122.94 = 33,285.78/x
  3. Step 3: Cross multiply
    58,778.10x = 81,122.94 × 33,285.78
  4. Step 4: Simplify right side
    58,778.10x = 2,700,240,333.79
  5. Step 5: Solve for x
    x = 2,700,240,333.79/58,778.10
  6. Step 6: Final answer
    x = 45,939.56

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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.