Home / 90,940.64-125,498.32-52,707.60

Finding the Fourth Proportional to 90,940.64, 125,498.32 and 52,707.60

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Solution

The fourth proportional to 90,940.64, 125,498.32 and 52,707.60 is: 72,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940.64 : 125,498.32 = 52,707.60 : x
  2. Step 2: Convert to fraction form
    90,940.64/125,498.32 = 52,707.60/x
  3. Step 3: Cross multiply
    90,940.64x = 125,498.32 × 52,707.60
  4. Step 4: Simplify right side
    90,940.64x = 6,614,715,251.23
  5. Step 5: Solve for x
    x = 6,614,715,251.23/90,940.64
  6. Step 6: Final answer
    x = 72,736.63

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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.