Home / 54,158.44-74,572.50-47,406.28

Finding the Fourth Proportional to 54,158.44, 74,572.50 and 47,406.28

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Solution

The fourth proportional to 54,158.44, 74,572.50 and 47,406.28 is: 65,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.44 : 74,572.50 = 47,406.28 : x
  2. Step 2: Convert to fraction form
    54,158.44/74,572.50 = 47,406.28/x
  3. Step 3: Cross multiply
    54,158.44x = 74,572.50 × 47,406.28
  4. Step 4: Simplify right side
    54,158.44x = 3,535,204,815.30
  5. Step 5: Solve for x
    x = 3,535,204,815.30/54,158.44
  6. Step 6: Final answer
    x = 65,275.23

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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.