Home / 90,250.81-124,540.74-49,962.22

Finding the Fourth Proportional to 90,250.81, 124,540.74 and 49,962.22

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Solution

The fourth proportional to 90,250.81, 124,540.74 and 49,962.22 is: 68,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.81 : 124,540.74 = 49,962.22 : x
  2. Step 2: Convert to fraction form
    90,250.81/124,540.74 = 49,962.22/x
  3. Step 3: Cross multiply
    90,250.81x = 124,540.74 × 49,962.22
  4. Step 4: Simplify right side
    90,250.81x = 6,222,331,539.49
  5. Step 5: Solve for x
    x = 6,222,331,539.49/90,250.81
  6. Step 6: Final answer
    x = 68,944.88

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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.