Home / 45,803.92-68,589.24-30,174.16

Finding the Fourth Proportional to 45,803.92, 68,589.24 and 30,174.16

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Solution

The fourth proportional to 45,803.92, 68,589.24 and 30,174.16 is: 45,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.92 : 68,589.24 = 30,174.16 : x
  2. Step 2: Convert to fraction form
    45,803.92/68,589.24 = 30,174.16/x
  3. Step 3: Cross multiply
    45,803.92x = 68,589.24 × 30,174.16
  4. Step 4: Simplify right side
    45,803.92x = 2,069,622,702.04
  5. Step 5: Solve for x
    x = 2,069,622,702.04/45,803.92
  6. Step 6: Final answer
    x = 45,184.40

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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.