Home / 85,960.64-118,615.08-50,159.36

Finding the Fourth Proportional to 85,960.64, 118,615.08 and 50,159.36

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Solution

The fourth proportional to 85,960.64, 118,615.08 and 50,159.36 is: 69,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,960.64 : 118,615.08 = 50,159.36 : x
  2. Step 2: Convert to fraction form
    85,960.64/118,615.08 = 50,159.36/x
  3. Step 3: Cross multiply
    85,960.64x = 118,615.08 × 50,159.36
  4. Step 4: Simplify right side
    85,960.64x = 5,949,656,499.15
  5. Step 5: Solve for x
    x = 5,949,656,499.15/85,960.64
  6. Step 6: Final answer
    x = 69,213.73

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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.