Home / 77,101.16-115,659.42-35,560.04

Finding the Fourth Proportional to 77,101.16, 115,659.42 and 35,560.04

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Solution

The fourth proportional to 77,101.16, 115,659.42 and 35,560.04 is: 53,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,101.16 : 115,659.42 = 35,560.04 : x
  2. Step 2: Convert to fraction form
    77,101.16/115,659.42 = 35,560.04/x
  3. Step 3: Cross multiply
    77,101.16x = 115,659.42 × 35,560.04
  4. Step 4: Simplify right side
    77,101.16x = 4,112,853,601.58
  5. Step 5: Solve for x
    x = 4,112,853,601.58/77,101.16
  6. Step 6: Final answer
    x = 53,343.60

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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.