Home / 90,952.97-125,518.88-50,666.72

Finding the Fourth Proportional to 90,952.97, 125,518.88 and 50,666.72

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Solution

The fourth proportional to 90,952.97, 125,518.88 and 50,666.72 is: 69,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.97 : 125,518.88 = 50,666.72 : x
  2. Step 2: Convert to fraction form
    90,952.97/125,518.88 = 50,666.72/x
  3. Step 3: Cross multiply
    90,952.97x = 125,518.88 × 50,666.72
  4. Step 4: Simplify right side
    90,952.97x = 6,359,630,388.14
  5. Step 5: Solve for x
    x = 6,359,630,388.14/90,952.97
  6. Step 6: Final answer
    x = 69,922.18

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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.