Home / 90,948.58-125,504.84-50,661.95

Finding the Fourth Proportional to 90,948.58, 125,504.84 and 50,661.95

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Solution

The fourth proportional to 90,948.58, 125,504.84 and 50,661.95 is: 69,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.58 : 125,504.84 = 50,661.95 : x
  2. Step 2: Convert to fraction form
    90,948.58/125,504.84 = 50,661.95/x
  3. Step 3: Cross multiply
    90,948.58x = 125,504.84 × 50,661.95
  4. Step 4: Simplify right side
    90,948.58x = 6,358,319,427.97
  5. Step 5: Solve for x
    x = 6,358,319,427.97/90,948.58
  6. Step 6: Final answer
    x = 69,911.15

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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.