Home / 90,955.45-125,527.76-50,675.77

Finding the Fourth Proportional to 90,955.45, 125,527.76 and 50,675.77

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Solution

The fourth proportional to 90,955.45, 125,527.76 and 50,675.77 is: 69,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.45 : 125,527.76 = 50,675.77 : x
  2. Step 2: Convert to fraction form
    90,955.45/125,527.76 = 50,675.77/x
  3. Step 3: Cross multiply
    90,955.45x = 125,527.76 × 50,675.77
  4. Step 4: Simplify right side
    90,955.45x = 6,361,215,894.38
  5. Step 5: Solve for x
    x = 6,361,215,894.38/90,955.45
  6. Step 6: Final answer
    x = 69,937.71

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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.