Home / 76,557.76-114,815.88-48,435.57

Finding the Fourth Proportional to 76,557.76, 114,815.88 and 48,435.57

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Solution

The fourth proportional to 76,557.76, 114,815.88 and 48,435.57 is: 72,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,557.76 : 114,815.88 = 48,435.57 : x
  2. Step 2: Convert to fraction form
    76,557.76/114,815.88 = 48,435.57/x
  3. Step 3: Cross multiply
    76,557.76x = 114,815.88 × 48,435.57
  4. Step 4: Simplify right side
    76,557.76x = 5,561,172,592.85
  5. Step 5: Solve for x
    x = 5,561,172,592.85/76,557.76
  6. Step 6: Final answer
    x = 72,640.22

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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.