Home / 83,171.40-124,716.24-47,627.16

Finding the Fourth Proportional to 83,171.40, 124,716.24 and 47,627.16

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Solution

The fourth proportional to 83,171.40, 124,716.24 and 47,627.16 is: 71,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,171.40 : 124,716.24 = 47,627.16 : x
  2. Step 2: Convert to fraction form
    83,171.40/124,716.24 = 47,627.16/x
  3. Step 3: Cross multiply
    83,171.40x = 124,716.24 × 47,627.16
  4. Step 4: Simplify right side
    83,171.40x = 5,939,880,317.08
  5. Step 5: Solve for x
    x = 5,939,880,317.08/83,171.40
  6. Step 6: Final answer
    x = 71,417.34

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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.