Home / 75,380.04-112,936.98-45,737.68

Finding the Fourth Proportional to 75,380.04, 112,936.98 and 45,737.68

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Solution

The fourth proportional to 75,380.04, 112,936.98 and 45,737.68 is: 68,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.04 : 112,936.98 = 45,737.68 : x
  2. Step 2: Convert to fraction form
    75,380.04/112,936.98 = 45,737.68/x
  3. Step 3: Cross multiply
    75,380.04x = 112,936.98 × 45,737.68
  4. Step 4: Simplify right side
    75,380.04x = 5,165,475,451.41
  5. Step 5: Solve for x
    x = 5,165,475,451.41/75,380.04
  6. Step 6: Final answer
    x = 68,525.77

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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.