Home / 57,299.81-79,153.47-54,497.31

Finding the Fourth Proportional to 57,299.81, 79,153.47 and 54,497.31

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Solution

The fourth proportional to 57,299.81, 79,153.47 and 54,497.31 is: 75,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.81 : 79,153.47 = 54,497.31 : x
  2. Step 2: Convert to fraction form
    57,299.81/79,153.47 = 54,497.31/x
  3. Step 3: Cross multiply
    57,299.81x = 79,153.47 × 54,497.31
  4. Step 4: Simplify right side
    57,299.81x = 4,313,650,895.34
  5. Step 5: Solve for x
    x = 4,313,650,895.34/57,299.81
  6. Step 6: Final answer
    x = 75,282.12

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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.