Home / 80,421.29-110,994.69-44,622.83

Finding the Fourth Proportional to 80,421.29, 110,994.69 and 44,622.83

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Solution

The fourth proportional to 80,421.29, 110,994.69 and 44,622.83 is: 61,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,421.29 : 110,994.69 = 44,622.83 : x
  2. Step 2: Convert to fraction form
    80,421.29/110,994.69 = 44,622.83/x
  3. Step 3: Cross multiply
    80,421.29x = 110,994.69 × 44,622.83
  4. Step 4: Simplify right side
    80,421.29x = 4,952,897,182.77
  5. Step 5: Solve for x
    x = 4,952,897,182.77/80,421.29
  6. Step 6: Final answer
    x = 61,586.89

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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.