Home / 80,454.54-111,021.93-44,642.28

Finding the Fourth Proportional to 80,454.54, 111,021.93 and 44,642.28

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Solution

The fourth proportional to 80,454.54, 111,021.93 and 44,642.28 is: 61,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,454.54 : 111,021.93 = 44,642.28 : x
  2. Step 2: Convert to fraction form
    80,454.54/111,021.93 = 44,642.28/x
  3. Step 3: Cross multiply
    80,454.54x = 111,021.93 × 44,642.28
  4. Step 4: Simplify right side
    80,454.54x = 4,956,272,085.20
  5. Step 5: Solve for x
    x = 4,956,272,085.20/80,454.54
  6. Step 6: Final answer
    x = 61,603.39

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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.