Home / 90,427.92-135,632.25-37,125.49

Finding the Fourth Proportional to 90,427.92, 135,632.25 and 37,125.49

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Solution

The fourth proportional to 90,427.92, 135,632.25 and 37,125.49 is: 55,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.92 : 135,632.25 = 37,125.49 : x
  2. Step 2: Convert to fraction form
    90,427.92/135,632.25 = 37,125.49/x
  3. Step 3: Cross multiply
    90,427.92x = 135,632.25 × 37,125.49
  4. Step 4: Simplify right side
    90,427.92x = 5,035,412,877.26
  5. Step 5: Solve for x
    x = 5,035,412,877.26/90,427.92
  6. Step 6: Final answer
    x = 55,684.27

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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.