Home / 90,523.61-124,930.04-50,236.64

Finding the Fourth Proportional to 90,523.61, 124,930.04 and 50,236.64

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Solution

The fourth proportional to 90,523.61, 124,930.04 and 50,236.64 is: 69,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,523.61 : 124,930.04 = 50,236.64 : x
  2. Step 2: Convert to fraction form
    90,523.61/124,930.04 = 50,236.64/x
  3. Step 3: Cross multiply
    90,523.61x = 124,930.04 × 50,236.64
  4. Step 4: Simplify right side
    90,523.61x = 6,276,064,568.83
  5. Step 5: Solve for x
    x = 6,276,064,568.83/90,523.61
  6. Step 6: Final answer
    x = 69,330.70

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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.