Home / 92,817.41-128,088.15-50,375.94

Finding the Fourth Proportional to 92,817.41, 128,088.15 and 50,375.94

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Solution

The fourth proportional to 92,817.41, 128,088.15 and 50,375.94 is: 69,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.41 : 128,088.15 = 50,375.94 : x
  2. Step 2: Convert to fraction form
    92,817.41/128,088.15 = 50,375.94/x
  3. Step 3: Cross multiply
    92,817.41x = 128,088.15 × 50,375.94
  4. Step 4: Simplify right side
    92,817.41x = 6,452,560,289.87
  5. Step 5: Solve for x
    x = 6,452,560,289.87/92,817.41
  6. Step 6: Final answer
    x = 69,518.86

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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.