Home / 83,884.28-115,761.84-46,157.72

Finding the Fourth Proportional to 83,884.28, 115,761.84 and 46,157.72

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Solution

The fourth proportional to 83,884.28, 115,761.84 and 46,157.72 is: 63,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.28 : 115,761.84 = 46,157.72 : x
  2. Step 2: Convert to fraction form
    83,884.28/115,761.84 = 46,157.72/x
  3. Step 3: Cross multiply
    83,884.28x = 115,761.84 × 46,157.72
  4. Step 4: Simplify right side
    83,884.28x = 5,343,302,597.40
  5. Step 5: Solve for x
    x = 5,343,302,597.40/83,884.28
  6. Step 6: Final answer
    x = 63,698.50

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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.