Home / 54,739.70-75,437.57-39,606.74

Finding the Fourth Proportional to 54,739.70, 75,437.57 and 39,606.74

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Solution

The fourth proportional to 54,739.70, 75,437.57 and 39,606.74 is: 54,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.70 : 75,437.57 = 39,606.74 : x
  2. Step 2: Convert to fraction form
    54,739.70/75,437.57 = 39,606.74/x
  3. Step 3: Cross multiply
    54,739.70x = 75,437.57 × 39,606.74
  4. Step 4: Simplify right side
    54,739.70x = 2,987,836,023.19
  5. Step 5: Solve for x
    x = 2,987,836,023.19/54,739.70
  6. Step 6: Final answer
    x = 54,582.62

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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.