Home / 58,823.28-81,135.09-38,673.72

Finding the Fourth Proportional to 58,823.28, 81,135.09 and 38,673.72

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Solution

The fourth proportional to 58,823.28, 81,135.09 and 38,673.72 is: 53,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,823.28 : 81,135.09 = 38,673.72 : x
  2. Step 2: Convert to fraction form
    58,823.28/81,135.09 = 38,673.72/x
  3. Step 3: Cross multiply
    58,823.28x = 81,135.09 × 38,673.72
  4. Step 4: Simplify right side
    58,823.28x = 3,137,795,858.99
  5. Step 5: Solve for x
    x = 3,137,795,858.99/58,823.28
  6. Step 6: Final answer
    x = 53,342.75

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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.