Home / 92,951.32-128,273.60-50,509.88

Finding the Fourth Proportional to 92,951.32, 128,273.60 and 50,509.88

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Solution

The fourth proportional to 92,951.32, 128,273.60 and 50,509.88 is: 69,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.32 : 128,273.60 = 50,509.88 : x
  2. Step 2: Convert to fraction form
    92,951.32/128,273.60 = 50,509.88/x
  3. Step 3: Cross multiply
    92,951.32x = 128,273.60 × 50,509.88
  4. Step 4: Simplify right side
    92,951.32x = 6,479,084,143.17
  5. Step 5: Solve for x
    x = 6,479,084,143.17/92,951.32
  6. Step 6: Final answer
    x = 69,704.06

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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.