Home / 80,548.12-111,153.31-44,740.41

Finding the Fourth Proportional to 80,548.12, 111,153.31 and 44,740.41

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Solution

The fourth proportional to 80,548.12, 111,153.31 and 44,740.41 is: 61,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.12 : 111,153.31 = 44,740.41 : x
  2. Step 2: Convert to fraction form
    80,548.12/111,153.31 = 44,740.41/x
  3. Step 3: Cross multiply
    80,548.12x = 111,153.31 × 44,740.41
  4. Step 4: Simplify right side
    80,548.12x = 4,973,044,550.41
  5. Step 5: Solve for x
    x = 4,973,044,550.41/80,548.12
  6. Step 6: Final answer
    x = 61,740.05

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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.