Home / 90,836.67-125,352.72-50,548.89

Finding the Fourth Proportional to 90,836.67, 125,352.72 and 50,548.89

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Solution

The fourth proportional to 90,836.67, 125,352.72 and 50,548.89 is: 69,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.67 : 125,352.72 = 50,548.89 : x
  2. Step 2: Convert to fraction form
    90,836.67/125,352.72 = 50,548.89/x
  3. Step 3: Cross multiply
    90,836.67x = 125,352.72 × 50,548.89
  4. Step 4: Simplify right side
    90,836.67x = 6,336,440,854.48
  5. Step 5: Solve for x
    x = 6,336,440,854.48/90,836.67
  6. Step 6: Final answer
    x = 69,756.42

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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.