Home / 90,725.64-125,194.29-50,436.95

Finding the Fourth Proportional to 90,725.64, 125,194.29 and 50,436.95

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Solution

The fourth proportional to 90,725.64, 125,194.29 and 50,436.95 is: 69,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,725.64 : 125,194.29 = 50,436.95 : x
  2. Step 2: Convert to fraction form
    90,725.64/125,194.29 = 50,436.95/x
  3. Step 3: Cross multiply
    90,725.64x = 125,194.29 × 50,436.95
  4. Step 4: Simplify right side
    90,725.64x = 6,314,417,519.04
  5. Step 5: Solve for x
    x = 6,314,417,519.04/90,725.64
  6. Step 6: Final answer
    x = 69,599.04

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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.