Home / 75,880.28-113,825.94-29,133.16

Finding the Fourth Proportional to 75,880.28, 113,825.94 and 29,133.16

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Solution

The fourth proportional to 75,880.28, 113,825.94 and 29,133.16 is: 43,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.28 : 113,825.94 = 29,133.16 : x
  2. Step 2: Convert to fraction form
    75,880.28/113,825.94 = 29,133.16/x
  3. Step 3: Cross multiply
    75,880.28x = 113,825.94 × 29,133.16
  4. Step 4: Simplify right side
    75,880.28x = 3,316,109,322.17
  5. Step 5: Solve for x
    x = 3,316,109,322.17/75,880.28
  6. Step 6: Final answer
    x = 43,701.86

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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.