Home / 75,619.74-113,354.47-36,130.75

Finding the Fourth Proportional to 75,619.74, 113,354.47 and 36,130.75

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Solution

The fourth proportional to 75,619.74, 113,354.47 and 36,130.75 is: 54,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.74 : 113,354.47 = 36,130.75 : x
  2. Step 2: Convert to fraction form
    75,619.74/113,354.47 = 36,130.75/x
  3. Step 3: Cross multiply
    75,619.74x = 113,354.47 × 36,130.75
  4. Step 4: Simplify right side
    75,619.74x = 4,095,582,016.95
  5. Step 5: Solve for x
    x = 4,095,582,016.95/75,619.74
  6. Step 6: Final answer
    x = 54,160.22

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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.