Home / 90,372.10-135,532.23-34,955.14

Finding the Fourth Proportional to 90,372.10, 135,532.23 and 34,955.14

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Solution

The fourth proportional to 90,372.10, 135,532.23 and 34,955.14 is: 52,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.10 : 135,532.23 = 34,955.14 : x
  2. Step 2: Convert to fraction form
    90,372.10/135,532.23 = 34,955.14/x
  3. Step 3: Cross multiply
    90,372.10x = 135,532.23 × 34,955.14
  4. Step 4: Simplify right side
    90,372.10x = 4,737,548,074.16
  5. Step 5: Solve for x
    x = 4,737,548,074.16/90,372.10
  6. Step 6: Final answer
    x = 52,422.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.