Home / 76,298.76-114,380.69-28,880.91

Finding the Fourth Proportional to 76,298.76, 114,380.69 and 28,880.91

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Solution

The fourth proportional to 76,298.76, 114,380.69 and 28,880.91 is: 43,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,298.76 : 114,380.69 = 28,880.91 : x
  2. Step 2: Convert to fraction form
    76,298.76/114,380.69 = 28,880.91/x
  3. Step 3: Cross multiply
    76,298.76x = 114,380.69 × 28,880.91
  4. Step 4: Simplify right side
    76,298.76x = 3,303,418,269.22
  5. Step 5: Solve for x
    x = 3,303,418,269.22/76,298.76
  6. Step 6: Final answer
    x = 43,295.83

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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.