Home / 81,118.85-111,943.36-44,820.19

Finding the Fourth Proportional to 81,118.85, 111,943.36 and 44,820.19

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Solution

The fourth proportional to 81,118.85, 111,943.36 and 44,820.19 is: 61,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,118.85 : 111,943.36 = 44,820.19 : x
  2. Step 2: Convert to fraction form
    81,118.85/111,943.36 = 44,820.19/x
  3. Step 3: Cross multiply
    81,118.85x = 111,943.36 × 44,820.19
  4. Step 4: Simplify right side
    81,118.85x = 5,017,322,272.53
  5. Step 5: Solve for x
    x = 5,017,322,272.53/81,118.85
  6. Step 6: Final answer
    x = 61,851.49

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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.