Home / 80,638.95-111,288.48-44,832.30

Finding the Fourth Proportional to 80,638.95, 111,288.48 and 44,832.30

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Solution

The fourth proportional to 80,638.95, 111,288.48 and 44,832.30 is: 61,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.95 : 111,288.48 = 44,832.30 : x
  2. Step 2: Convert to fraction form
    80,638.95/111,288.48 = 44,832.30/x
  3. Step 3: Cross multiply
    80,638.95x = 111,288.48 × 44,832.30
  4. Step 4: Simplify right side
    80,638.95x = 4,989,318,521.90
  5. Step 5: Solve for x
    x = 4,989,318,521.90/80,638.95
  6. Step 6: Final answer
    x = 61,872.32

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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.