Home / 54,547.20-81,626.40-37,828.80

Finding the Fourth Proportional to 54,547.20, 81,626.40 and 37,828.80

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Solution

The fourth proportional to 54,547.20, 81,626.40 and 37,828.80 is: 56,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.20 : 81,626.40 = 37,828.80 : x
  2. Step 2: Convert to fraction form
    54,547.20/81,626.40 = 37,828.80/x
  3. Step 3: Cross multiply
    54,547.20x = 81,626.40 × 37,828.80
  4. Step 4: Simplify right side
    54,547.20x = 3,087,828,760.32
  5. Step 5: Solve for x
    x = 3,087,828,760.32/54,547.20
  6. Step 6: Final answer
    x = 56,608.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.