Home / 90,635.47-125,080.49-62,015.15

Finding the Fourth Proportional to 90,635.47, 125,080.49 and 62,015.15

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Solution

The fourth proportional to 90,635.47, 125,080.49 and 62,015.15 is: 85,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.47 : 125,080.49 = 62,015.15 : x
  2. Step 2: Convert to fraction form
    90,635.47/125,080.49 = 62,015.15/x
  3. Step 3: Cross multiply
    90,635.47x = 125,080.49 × 62,015.15
  4. Step 4: Simplify right side
    90,635.47x = 7,756,885,039.35
  5. Step 5: Solve for x
    x = 7,756,885,039.35/90,635.47
  6. Step 6: Final answer
    x = 85,583.33

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1.5x scale

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.