Home / 54,154.76-74,752.38-37,215.09

Finding the Fourth Proportional to 54,154.76, 74,752.38 and 37,215.09

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Solution

The fourth proportional to 54,154.76, 74,752.38 and 37,215.09 is: 51,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.76 : 74,752.38 = 37,215.09 : x
  2. Step 2: Convert to fraction form
    54,154.76/74,752.38 = 37,215.09/x
  3. Step 3: Cross multiply
    54,154.76x = 74,752.38 × 37,215.09
  4. Step 4: Simplify right side
    54,154.76x = 2,781,916,549.41
  5. Step 5: Solve for x
    x = 2,781,916,549.41/54,154.76
  6. Step 6: Final answer
    x = 51,369.76

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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.