Home / 75,876.28-113,532.54-47,664.25

Finding the Fourth Proportional to 75,876.28, 113,532.54 and 47,664.25

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Solution

The fourth proportional to 75,876.28, 113,532.54 and 47,664.25 is: 71,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,876.28 : 113,532.54 = 47,664.25 : x
  2. Step 2: Convert to fraction form
    75,876.28/113,532.54 = 47,664.25/x
  3. Step 3: Cross multiply
    75,876.28x = 113,532.54 × 47,664.25
  4. Step 4: Simplify right side
    75,876.28x = 5,411,442,907.12
  5. Step 5: Solve for x
    x = 5,411,442,907.12/75,876.28
  6. Step 6: Final answer
    x = 71,319.30

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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.