Home / 80,911.21-121,362.45-24,751.33

Finding the Fourth Proportional to 80,911.21, 121,362.45 and 24,751.33

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Solution

The fourth proportional to 80,911.21, 121,362.45 and 24,751.33 is: 37,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,911.21 : 121,362.45 = 24,751.33 : x
  2. Step 2: Convert to fraction form
    80,911.21/121,362.45 = 24,751.33/x
  3. Step 3: Cross multiply
    80,911.21x = 121,362.45 × 24,751.33
  4. Step 4: Simplify right side
    80,911.21x = 3,003,881,792.56
  5. Step 5: Solve for x
    x = 3,003,881,792.56/80,911.21
  6. Step 6: Final answer
    x = 37,125.66

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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.