Home / 90,983.30-125,555.25-50,696.20

Finding the Fourth Proportional to 90,983.30, 125,555.25 and 50,696.20

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Solution

The fourth proportional to 90,983.30, 125,555.25 and 50,696.20 is: 69,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,983.30 : 125,555.25 = 50,696.20 : x
  2. Step 2: Convert to fraction form
    90,983.30/125,555.25 = 50,696.20/x
  3. Step 3: Cross multiply
    90,983.30x = 125,555.25 × 50,696.20
  4. Step 4: Simplify right side
    90,983.30x = 6,365,173,437.27
  5. Step 5: Solve for x
    x = 6,365,173,437.27/90,983.30
  6. Step 6: Final answer
    x = 69,959.80

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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.