Home / 54,315.27-74,876.54-38,133.36

Finding the Fourth Proportional to 54,315.27, 74,876.54 and 38,133.36

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Solution

The fourth proportional to 54,315.27, 74,876.54 and 38,133.36 is: 52,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.27 : 74,876.54 = 38,133.36 : x
  2. Step 2: Convert to fraction form
    54,315.27/74,876.54 = 38,133.36/x
  3. Step 3: Cross multiply
    54,315.27x = 74,876.54 × 38,133.36
  4. Step 4: Simplify right side
    54,315.27x = 2,855,293,864.71
  5. Step 5: Solve for x
    x = 2,855,293,864.71/54,315.27
  6. Step 6: Final answer
    x = 52,568.90

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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.