Home / 80,737.99-121,115.24-30,860.07

Finding the Fourth Proportional to 80,737.99, 121,115.24 and 30,860.07

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Solution

The fourth proportional to 80,737.99, 121,115.24 and 30,860.07 is: 46,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,737.99 : 121,115.24 = 30,860.07 : x
  2. Step 2: Convert to fraction form
    80,737.99/121,115.24 = 30,860.07/x
  3. Step 3: Cross multiply
    80,737.99x = 121,115.24 × 30,860.07
  4. Step 4: Simplify right side
    80,737.99x = 3,737,624,024.59
  5. Step 5: Solve for x
    x = 3,737,624,024.59/80,737.99
  6. Step 6: Final answer
    x = 46,293.25

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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.