Home / 90,524.18-124,931.16-50,245.72

Finding the Fourth Proportional to 90,524.18, 124,931.16 and 50,245.72

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Solution

The fourth proportional to 90,524.18, 124,931.16 and 50,245.72 is: 69,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,524.18 : 124,931.16 = 50,245.72 : x
  2. Step 2: Convert to fraction form
    90,524.18/124,931.16 = 50,245.72/x
  3. Step 3: Cross multiply
    90,524.18x = 124,931.16 × 50,245.72
  4. Step 4: Simplify right side
    90,524.18x = 6,277,255,772.31
  5. Step 5: Solve for x
    x = 6,277,255,772.31/90,524.18
  6. Step 6: Final answer
    x = 69,343.41

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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.