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Finding the Fourth Proportional to 92,951.58, 128,273.97 and 50,510.13

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Solution

The fourth proportional to 92,951.58, 128,273.97 and 50,510.13 is: 69,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.58 : 128,273.97 = 50,510.13 : x
  2. Step 2: Convert to fraction form
    92,951.58/128,273.97 = 50,510.13/x
  3. Step 3: Cross multiply
    92,951.58x = 128,273.97 × 50,510.13
  4. Step 4: Simplify right side
    92,951.58x = 6,479,134,900.32
  5. Step 5: Solve for x
    x = 6,479,134,900.32/92,951.58
  6. Step 6: Final answer
    x = 69,704.41

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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.