Home / 91,684.63-126,518.41-50,850.91

Finding the Fourth Proportional to 91,684.63, 126,518.41 and 50,850.91

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Solution

The fourth proportional to 91,684.63, 126,518.41 and 50,850.91 is: 70,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,684.63 : 126,518.41 = 50,850.91 : x
  2. Step 2: Convert to fraction form
    91,684.63/126,518.41 = 50,850.91/x
  3. Step 3: Cross multiply
    91,684.63x = 126,518.41 × 50,850.91
  4. Step 4: Simplify right side
    91,684.63x = 6,433,576,280.25
  5. Step 5: Solve for x
    x = 6,433,576,280.25/91,684.63
  6. Step 6: Final answer
    x = 70,170.72

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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.