Home / 90,926.87-125,482.97-50,640.63

Finding the Fourth Proportional to 90,926.87, 125,482.97 and 50,640.63

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Solution

The fourth proportional to 90,926.87, 125,482.97 and 50,640.63 is: 69,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.87 : 125,482.97 = 50,640.63 : x
  2. Step 2: Convert to fraction form
    90,926.87/125,482.97 = 50,640.63/x
  3. Step 3: Cross multiply
    90,926.87x = 125,482.97 × 50,640.63
  4. Step 4: Simplify right side
    90,926.87x = 6,354,536,655.07
  5. Step 5: Solve for x
    x = 6,354,536,655.07/90,926.87
  6. Step 6: Final answer
    x = 69,886.24

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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.