Home / 79,202.64-109,285.75-45,195.60

Finding the Fourth Proportional to 79,202.64, 109,285.75 and 45,195.60

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Solution

The fourth proportional to 79,202.64, 109,285.75 and 45,195.60 is: 62,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202.64 : 109,285.75 = 45,195.60 : x
  2. Step 2: Convert to fraction form
    79,202.64/109,285.75 = 45,195.60/x
  3. Step 3: Cross multiply
    79,202.64x = 109,285.75 × 45,195.60
  4. Step 4: Simplify right side
    79,202.64x = 4,939,235,042.70
  5. Step 5: Solve for x
    x = 4,939,235,042.70/79,202.64
  6. Step 6: Final answer
    x = 62,362.00

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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.