Home / 54,412.16-81,541.60-43,269.40

Finding the Fourth Proportional to 54,412.16, 81,541.60 and 43,269.40

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Solution

The fourth proportional to 54,412.16, 81,541.60 and 43,269.40 is: 64,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.16 : 81,541.60 = 43,269.40 : x
  2. Step 2: Convert to fraction form
    54,412.16/81,541.60 = 43,269.40/x
  3. Step 3: Cross multiply
    54,412.16x = 81,541.60 × 43,269.40
  4. Step 4: Simplify right side
    54,412.16x = 3,528,256,107.04
  5. Step 5: Solve for x
    x = 3,528,256,107.04/54,412.16
  6. Step 6: Final answer
    x = 64,843.15

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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.