Home / 80,661.12-111,306-44,848.96

Finding the Fourth Proportional to 80,661.12, 111,306 and 44,848.96

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Solution

The fourth proportional to 80,661.12, 111,306 and 44,848.96 is: 61,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,661.12 : 111,306 = 44,848.96 : x
  2. Step 2: Convert to fraction form
    80,661.12/111,306 = 44,848.96/x
  3. Step 3: Cross multiply
    80,661.12x = 111,306 × 44,848.96
  4. Step 4: Simplify right side
    80,661.12x = 4,991,958,341.76
  5. Step 5: Solve for x
    x = 4,991,958,341.76/80,661.12
  6. Step 6: Final answer
    x = 61,888.04

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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.