Home / 71,960.05-99,278.62-45,103.69

Finding the Fourth Proportional to 71,960.05, 99,278.62 and 45,103.69

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Solution

The fourth proportional to 71,960.05, 99,278.62 and 45,103.69 is: 62,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.05 : 99,278.62 = 45,103.69 : x
  2. Step 2: Convert to fraction form
    71,960.05/99,278.62 = 45,103.69/x
  3. Step 3: Cross multiply
    71,960.05x = 99,278.62 × 45,103.69
  4. Step 4: Simplify right side
    71,960.05x = 4,477,832,100.11
  5. Step 5: Solve for x
    x = 4,477,832,100.11/71,960.05
  6. Step 6: Final answer
    x = 62,226.64

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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.