Home / 91,205.34-125,864.61-50,372.21

Finding the Fourth Proportional to 91,205.34, 125,864.61 and 50,372.21

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Solution

The fourth proportional to 91,205.34, 125,864.61 and 50,372.21 is: 69,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,205.34 : 125,864.61 = 50,372.21 : x
  2. Step 2: Convert to fraction form
    91,205.34/125,864.61 = 50,372.21/x
  3. Step 3: Cross multiply
    91,205.34x = 125,864.61 × 50,372.21
  4. Step 4: Simplify right side
    91,205.34x = 6,340,078,566.49
  5. Step 5: Solve for x
    x = 6,340,078,566.49/91,205.34
  6. Step 6: Final answer
    x = 69,514.34

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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.