Home / 82,205.02-113,430.76-49,922.85

Finding the Fourth Proportional to 82,205.02, 113,430.76 and 49,922.85

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Solution

The fourth proportional to 82,205.02, 113,430.76 and 49,922.85 is: 68,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,205.02 : 113,430.76 = 49,922.85 : x
  2. Step 2: Convert to fraction form
    82,205.02/113,430.76 = 49,922.85/x
  3. Step 3: Cross multiply
    82,205.02x = 113,430.76 × 49,922.85
  4. Step 4: Simplify right side
    82,205.02x = 5,662,786,816.87
  5. Step 5: Solve for x
    x = 5,662,786,816.87/82,205.02
  6. Step 6: Final answer
    x = 68,886.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.