Home / 92,954.18-128,273.28-50,511.80

Finding the Fourth Proportional to 92,954.18, 128,273.28 and 50,511.80

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Solution

The fourth proportional to 92,954.18, 128,273.28 and 50,511.80 is: 69,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954.18 : 128,273.28 = 50,511.80 : x
  2. Step 2: Convert to fraction form
    92,954.18/128,273.28 = 50,511.80/x
  3. Step 3: Cross multiply
    92,954.18x = 128,273.28 × 50,511.80
  4. Step 4: Simplify right side
    92,954.18x = 6,479,314,264.70
  5. Step 5: Solve for x
    x = 6,479,314,264.70/92,954.18
  6. Step 6: Final answer
    x = 69,704.39

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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.