Home / 79,201.08-109,256.02-48,976.76

Finding the Fourth Proportional to 79,201.08, 109,256.02 and 48,976.76

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Solution

The fourth proportional to 79,201.08, 109,256.02 and 48,976.76 is: 67,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.08 : 109,256.02 = 48,976.76 : x
  2. Step 2: Convert to fraction form
    79,201.08/109,256.02 = 48,976.76/x
  3. Step 3: Cross multiply
    79,201.08x = 109,256.02 × 48,976.76
  4. Step 4: Simplify right side
    79,201.08x = 5,351,005,870.10
  5. Step 5: Solve for x
    x = 5,351,005,870.10/79,201.08
  6. Step 6: Final answer
    x = 67,562.28

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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.