Home / 73,448.16-109,836-54,741.24

Finding the Fourth Proportional to 73,448.16, 109,836 and 54,741.24

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Solution

The fourth proportional to 73,448.16, 109,836 and 54,741.24 is: 81,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,448.16 : 109,836 = 54,741.24 : x
  2. Step 2: Convert to fraction form
    73,448.16/109,836 = 54,741.24/x
  3. Step 3: Cross multiply
    73,448.16x = 109,836 × 54,741.24
  4. Step 4: Simplify right side
    73,448.16x = 6,012,558,836.64
  5. Step 5: Solve for x
    x = 6,012,558,836.64/73,448.16
  6. Step 6: Final answer
    x = 81,861.26

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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.