Home / 90,952.73-125,518.58-50,666.50

Finding the Fourth Proportional to 90,952.73, 125,518.58 and 50,666.50

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Solution

The fourth proportional to 90,952.73, 125,518.58 and 50,666.50 is: 69,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.73 : 125,518.58 = 50,666.50 : x
  2. Step 2: Convert to fraction form
    90,952.73/125,518.58 = 50,666.50/x
  3. Step 3: Cross multiply
    90,952.73x = 125,518.58 × 50,666.50
  4. Step 4: Simplify right side
    90,952.73x = 6,359,587,133.57
  5. Step 5: Solve for x
    x = 6,359,587,133.57/90,952.73
  6. Step 6: Final answer
    x = 69,921.89

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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.