Home / 75,754.81-104,550.60-45,555.58

Finding the Fourth Proportional to 75,754.81, 104,550.60 and 45,555.58

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Solution

The fourth proportional to 75,754.81, 104,550.60 and 45,555.58 is: 62,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,754.81 : 104,550.60 = 45,555.58 : x
  2. Step 2: Convert to fraction form
    75,754.81/104,550.60 = 45,555.58/x
  3. Step 3: Cross multiply
    75,754.81x = 104,550.60 × 45,555.58
  4. Step 4: Simplify right side
    75,754.81x = 4,762,863,222.35
  5. Step 5: Solve for x
    x = 4,762,863,222.35/75,754.81
  6. Step 6: Final answer
    x = 62,872.09

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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.