Home / 54,868.48-75,724.67-30,996.70

Finding the Fourth Proportional to 54,868.48, 75,724.67 and 30,996.70

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Solution

The fourth proportional to 54,868.48, 75,724.67 and 30,996.70 is: 42,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.48 : 75,724.67 = 30,996.70 : x
  2. Step 2: Convert to fraction form
    54,868.48/75,724.67 = 30,996.70/x
  3. Step 3: Cross multiply
    54,868.48x = 75,724.67 × 30,996.70
  4. Step 4: Simplify right side
    54,868.48x = 2,347,214,534.29
  5. Step 5: Solve for x
    x = 2,347,214,534.29/54,868.48
  6. Step 6: Final answer
    x = 42,778.93

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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.