Home / 90,634.14-125,056.10-54,817.16

Finding the Fourth Proportional to 90,634.14, 125,056.10 and 54,817.16

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Solution

The fourth proportional to 90,634.14, 125,056.10 and 54,817.16 is: 75,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.14 : 125,056.10 = 54,817.16 : x
  2. Step 2: Convert to fraction form
    90,634.14/125,056.10 = 54,817.16/x
  3. Step 3: Cross multiply
    90,634.14x = 125,056.10 × 54,817.16
  4. Step 4: Simplify right side
    90,634.14x = 6,855,219,754.44
  5. Step 5: Solve for x
    x = 6,855,219,754.44/90,634.14
  6. Step 6: Final answer
    x = 75,636.18

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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.