Home / 80,011.77-120,002.81-29,399.73

Finding the Fourth Proportional to 80,011.77, 120,002.81 and 29,399.73

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Solution

The fourth proportional to 80,011.77, 120,002.81 and 29,399.73 is: 44,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011.77 : 120,002.81 = 29,399.73 : x
  2. Step 2: Convert to fraction form
    80,011.77/120,002.81 = 29,399.73/x
  3. Step 3: Cross multiply
    80,011.77x = 120,002.81 × 29,399.73
  4. Step 4: Simplify right side
    80,011.77x = 3,528,050,066.24
  5. Step 5: Solve for x
    x = 3,528,050,066.24/80,011.77
  6. Step 6: Final answer
    x = 44,094.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.