Home / 90,481.50-135,703.44-34,302.24

Finding the Fourth Proportional to 90,481.50, 135,703.44 and 34,302.24

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Solution

The fourth proportional to 90,481.50, 135,703.44 and 34,302.24 is: 51,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,481.50 : 135,703.44 = 34,302.24 : x
  2. Step 2: Convert to fraction form
    90,481.50/135,703.44 = 34,302.24/x
  3. Step 3: Cross multiply
    90,481.50x = 135,703.44 × 34,302.24
  4. Step 4: Simplify right side
    90,481.50x = 4,654,931,967.71
  5. Step 5: Solve for x
    x = 4,654,931,967.71/90,481.50
  6. Step 6: Final answer
    x = 51,446.23

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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.