Home / 90,635.59-125,080.66-62,015.28

Finding the Fourth Proportional to 90,635.59, 125,080.66 and 62,015.28

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Solution

The fourth proportional to 90,635.59, 125,080.66 and 62,015.28 is: 85,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.59 : 125,080.66 = 62,015.28 : x
  2. Step 2: Convert to fraction form
    90,635.59/125,080.66 = 62,015.28/x
  3. Step 3: Cross multiply
    90,635.59x = 125,080.66 × 62,015.28
  4. Step 4: Simplify right side
    90,635.59x = 7,756,911,527.08
  5. Step 5: Solve for x
    x = 7,756,911,527.08/90,635.59
  6. Step 6: Final answer
    x = 85,583.51

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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.