Home / 90,236.40-124,527.32-49,953.88

Finding the Fourth Proportional to 90,236.40, 124,527.32 and 49,953.88

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Solution

The fourth proportional to 90,236.40, 124,527.32 and 49,953.88 is: 68,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,236.40 : 124,527.32 = 49,953.88 : x
  2. Step 2: Convert to fraction form
    90,236.40/124,527.32 = 49,953.88/x
  3. Step 3: Cross multiply
    90,236.40x = 124,527.32 × 49,953.88
  4. Step 4: Simplify right side
    90,236.40x = 6,220,622,800.00
  5. Step 5: Solve for x
    x = 6,220,622,800.00/90,236.40
  6. Step 6: Final answer
    x = 68,936.96

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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.