Home / 65,496.18-90,379.32-37,206.12

Finding the Fourth Proportional to 65,496.18, 90,379.32 and 37,206.12

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Solution

The fourth proportional to 65,496.18, 90,379.32 and 37,206.12 is: 51,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,496.18 : 90,379.32 = 37,206.12 : x
  2. Step 2: Convert to fraction form
    65,496.18/90,379.32 = 37,206.12/x
  3. Step 3: Cross multiply
    65,496.18x = 90,379.32 × 37,206.12
  4. Step 4: Simplify right side
    65,496.18x = 3,362,663,825.44
  5. Step 5: Solve for x
    x = 3,362,663,825.44/65,496.18
  6. Step 6: Final answer
    x = 51,341.37

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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.