Home / 76,024.80-114,037.20-51,141.60

Finding the Fourth Proportional to 76,024.80, 114,037.20 and 51,141.60

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Solution

The fourth proportional to 76,024.80, 114,037.20 and 51,141.60 is: 76,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,024.80 : 114,037.20 = 51,141.60 : x
  2. Step 2: Convert to fraction form
    76,024.80/114,037.20 = 51,141.60/x
  3. Step 3: Cross multiply
    76,024.80x = 114,037.20 × 51,141.60
  4. Step 4: Simplify right side
    76,024.80x = 5,832,044,867.52
  5. Step 5: Solve for x
    x = 5,832,044,867.52/76,024.80
  6. Step 6: Final answer
    x = 76,712.40

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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.