Home / 80,678.09-111,327.24-44,862.32

Finding the Fourth Proportional to 80,678.09, 111,327.24 and 44,862.32

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Solution

The fourth proportional to 80,678.09, 111,327.24 and 44,862.32 is: 61,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.09 : 111,327.24 = 44,862.32 : x
  2. Step 2: Convert to fraction form
    80,678.09/111,327.24 = 44,862.32/x
  3. Step 3: Cross multiply
    80,678.09x = 111,327.24 × 44,862.32
  4. Step 4: Simplify right side
    80,678.09x = 4,994,398,712.15
  5. Step 5: Solve for x
    x = 4,994,398,712.15/80,678.09
  6. Step 6: Final answer
    x = 61,905.27

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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.