Home / 54,410.16-81,538.60-43,267.40

Finding the Fourth Proportional to 54,410.16, 81,538.60 and 43,267.40

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Solution

The fourth proportional to 54,410.16, 81,538.60 and 43,267.40 is: 64,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.16 : 81,538.60 = 43,267.40 : x
  2. Step 2: Convert to fraction form
    54,410.16/81,538.60 = 43,267.40/x
  3. Step 3: Cross multiply
    54,410.16x = 81,538.60 × 43,267.40
  4. Step 4: Simplify right side
    54,410.16x = 3,527,963,221.64
  5. Step 5: Solve for x
    x = 3,527,963,221.64/54,410.16
  6. Step 6: Final answer
    x = 64,840.16

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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.