Home / 80,810.21-111,522.08-44,999.48

Finding the Fourth Proportional to 80,810.21, 111,522.08 and 44,999.48

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Solution

The fourth proportional to 80,810.21, 111,522.08 and 44,999.48 is: 62,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.21 : 111,522.08 = 44,999.48 : x
  2. Step 2: Convert to fraction form
    80,810.21/111,522.08 = 44,999.48/x
  3. Step 3: Cross multiply
    80,810.21x = 111,522.08 × 44,999.48
  4. Step 4: Simplify right side
    80,810.21x = 5,018,435,999.82
  5. Step 5: Solve for x
    x = 5,018,435,999.82/80,810.21
  6. Step 6: Final answer
    x = 62,101.51

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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.